Length οf the smaller οf the twο missing sides (the secοnd leg) is 80
What is Pythagοrean theοrem?In mathematics, the Pythagοrean theοrem οr Pythagοras' theοrem is a fundamental relatiοn in Euclidean geοmetry between the three sides οf a right triangle. It states that the area οf the square whοse side is the hypοtenuse (the side οppοsite the right angle) is equal tο the sum οf the areas οf the squares οn the οther twο sides.
Let x be the length οf the smaller οf the twο missing sides (the secοnd leg). Then the length οf the larger missing side (the hypοtenuse) is (x + 2), since the twο sides are cοnsecutive even integers.
By the Pythagοrean theοrem, we have:
[tex]18^2 + x^2 = (x + 2)^2[/tex]
Simplifying and expanding the right side, we get:
[tex]324 + x^2 = x^2 + 4x + 4[/tex]
Subtracting x^2 frοm bοth sides, we get:
324 = 4x + 4
Subtracting 4 frοm bοth sides, we get:
320 = 4x
Dividing bοth sides by 4, we get:
x = 80
Therefοre, the length οf the smaller οf the twο missing sides (the secοnd leg) is 80.
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hello, i need help please
Measure of ∠1 = 126 deg, Measure of ∠4 = 54 deg, and measure of ∠7 = 126 deg.
∵ Lines p and q are parallel, and t is transversal,
∴ ∠3 and ∠7 form pair of corresponding angles,
⇒ ∠3 and ∠7 are equal
∴∠7=126 deg.
Also, ∠3 and ∠1 are vertically opposite angles,
∴ ∠3 and ∠1 are equal.
⇒ ∠1=126
Again, as t is a straight line and line p intersects it,
∴ ∠3 and ∠4 form linear pair.
⇒ ∠3 and ∠4 are complementary.
⇒ ∠3+∠4=180
⇒ ∠4+126=180
⇒ ∠4=180-126
⇒ ∠4=54
Hence, measure of ∠1 is 126 deg, that of ∠4 is 54 deg, and that of ∠7 is 126 deg.
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PLEASE SHOW WORK!!!!!!!!!
The result would be (C) 27 if the above statement is accurate.
Which three types of integers are there?Three categories of integers exist: Zero (0) (0) Good integers (Natural numbers) Integer Negatives (Additive inverse of Natural Numbers).
As the two numbers are consecutive, we will refer to the smaller integer as "x" and the larger one as "x + 1".
In accordance with the issue, we have:
2x + (1/2)(x + 1) = 33
To eliminate the fraction, multiply everything by 2 and you obtain the following:
4x + x + 1 = 66
If we simplify, we get:
5x = 65
When we multiply both parts with 5, we get:
x = 13
Hence, 13 is the smaller number while 14 is the larger number.
The two integers' total is:
13 + 14 = 27
Hence, the response is (C) 27.
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A bridge is 440 metres long. There are four parts to the bridge. Assuming
each part is the same length, how long is each part of the bridge?
Aiden estimates that the length of a piece of rope is 8. 5 inches. If it’s actual length is 7. 1 inches , what is the percent error of Aidens estimate ? Round to the nearest tenth if necessary
Aiden's estimated the length of a piece of rope as 8.5 inches, while its actual length is 7.1 inches. Therefore, the percent error of Aiden's estimate is 11.3%.
To calculate the percent error, you first need to find the difference between the actual length and the estimated length. Subtract 7.1 inches from 8.5 inches and you get 1.4 inches. This is the difference between the two lengths.
Next, divide the difference by the actual length and multiply by 100. The equation is: (difference/actual length) * 100. So, (1.4/7.1)*100 = 11.3%. Therefore, the percent error of Aiden's estimate is 11.3%.
It is important to be accurate when making measurements and estimates. A small difference in numbers can lead to a large error in the final result. Knowing the percent error can help you to improve your measurements and estimates and achieve greater accuracy.
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One yoar consumars spent an avernge of $21 on a mead at a testurant. Assumo that the amount spent on a resturant meat is normally distributod and that the standard deviation is $4 . Complete parts (a) through (c) bolow a. What is the probability that a randomly selected person spent more than $24? P(X>$24)= (Round to four decimal places as needed.) b. What is the probability that a randomiy selected person spent between $10 and $19? P($10
a) The probability of finding a value greater than $24 is given by:P(X > $24) = P(Z > (24 - 21) / 4) = P(Z > 0.75)Using the standard normal distribution table, we can find that P(Z > 0.75) = 0.2266.Rounding this result to four decimal places, we have:P(X > $24) = 0.2266.
b) The probability of finding a value between $10 and $19 is given by:P($10 < X < $19) = P((10 - 21) / 4 < Z < (19 - 21) / 4) = P(-2.75 < Z < -0.5)Using the standard normal distribution table, we can find that P(-2.75 < Z < -0.5) = P(Z < -0.5) - P(Z < -2.75) = 0.3085 - 0.0030 = 0.3055.Rounding this result to four decimal places, we have:P($10 < X < $19) = 0.3055.
The probability that a randomly selected person spent more than $24One year consumers spend an average of $21 on a meal at a restaurant. The amount spent on a restaurant meat is normally distributed with a standard deviation of $4.The first step to solve this problem is to standardize the normal random variable using the z-score formula, which is:(1)z= (x-μ) / σwhere x is the random variable, μ is the mean, and σ is the standard deviation. The probability of finding a value greater than $24 is given by:P(X > $24) = P(Z > (24 - 21) / 4) = P(Z > 0.75)Using the standard normal distribution table, we can find that P(Z > 0.75) = 0.2266.Rounding this result to four decimal places, we have:P(X > $24) = 0.2266.
The probability that a randomly selected person spent between $10 and $19 The probability of finding a value between $10 and $19 is given by:P($10 < X < $19) = P((10 - 21) / 4 < Z < (19 - 21) / 4) = P(-2.75 < Z < -0.5)Using the standard normal distribution table, we can find that P(-2.75 < Z < -0.5) = P(Z < -0.5) - P(Z < -2.75) = 0.3085 - 0.0030 = 0.3055.Rounding this result to four decimal places, we have:P($10 < X < $19) = 0.3055.
The amount spent by the middle 50% of the customers The middle 50% of the customers is equivalent to the interval that goes from the 25th percentile to the 75th percentile. This interval is also known as the interquartile range (IQR).The 25th percentile can be found by using the standard normal distribution table, which gives us that:P(Z < -0.6745) = 0.25 Solving for Z, we have:Z = -0.6745 Using the z-score formula, we can find the corresponding value of X:$21 + (-0.6745)($4) = $17.30
Therefore, the lower limit of the IQR is $17.30.The 75th percentile can be found by using the standard normal distribution table, which gives us that:P(Z < 0.6745) = 0.75 Solving for Z, we have:Z = 0.6745Using the z-score formula, we can find the corresponding value of X:$21 + (0.6745)($4) = $24.70
Therefore, the upper limit of the IQR is $24.70.The amount spent by the middle 50% of the customers is between $17.30 and $24.70.
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Linda read 1/3 of her book on Friday. She reads 2/6 of the book on Saturday. On Sunday she reads the remaining 2/12 of the book. How much of the book did she read
As per the concept of unitary method, Linda read 5/6 of the book.
In this problem, the quantity we are dealing with is the book that Linda is reading. Let's call the total number of units in the book "x". Since Linda read 1/3 of the book on Friday, we can say that she read (1/3)x units of the book on Friday. Similarly, she read (2/6)x units of the book on Saturday, and (2/12)x units of the book on Sunday.
Now, we need to add up all of these quantities to find the total number of units of the book that Linda read. But before we do that, we need to make sure that all of the fractions have the same denominator. The smallest common multiple of 3, 6, and 12 is 12. So, we will convert all of the fractions to twelfths.
(1/3)x = (4/12)x
(2/6)x = (4/12)x
(2/12)x = (2/12)x
Now, we can add up all of these quantities:
(4/12)x + (4/12)x + (2/12)x = (10/12)x
So, Linda read (10/12)x units of the book in total. But we can simplify this fraction by dividing both the numerator and the denominator by their greatest common factor, which is 2:
(10/12)x = (5/6)x
Therefore, the resulting value of x is 5/6
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Triangle ABC is congruent to triangle A′′B′′C′′ . Which sequence of transformations could have been used to transform triangle ABC to produce triangle A′′B′′C′′ ? Responses Triangle ABC was translated 10 units right and then reflected across the x-axis. , , triangle A B C, , , , was translated 10 units right and then reflected across the x -axis. Triangle ABC was reflected across the y-axis and then translated 7 units down. , , triangle A B C, , , , was reflected across the y -axis and then translated 7 units down. Triangle ABC was translated 7 units down and then 9 units right. , , triangle A B C, , , , was translated 7 units down and then 9 units right. Triangle ABC was reflected across the x-axis and then translated 9 units right. , , triangle A B C, , , , was reflected across the x -axis and then translated 9 units right. A coordinate graph with triangle A B C and triangle A double prime B double prime and C double prime. Triangle A B C has points at A begin ordered pair negative 6 comma 2 end ordered pair, B begin ordered pair negative 3 comma 6 end ordered pair, C begin ordered pair negative 3 comma 2 end ordered pair. Triangle A double prime B double prime C double prime has points at A double prime begin ordered pair 6 comma negative 5 end ordered pair, B double prime begin ordered pair 3 comma negative 1 end ordered pair, C double prime begin ordered pair 3 comma negative 5 end ordered pair.
The correct sequence of transformations is: reflect across the y-axis and then translate 9 units to the right.
What is a Function?In everyday parlance, transformation refers to a mathematical function. A transformation is defined as the invertible function from any set X to its own set X or any other set Y. The transformation for any term may merely signal that the geometric component of this particular function is being studied.
The correct sequence of transformations that could have been used to transform triangle ABC to produce triangle A′′B′′C′′ is:
Triangle ABC was reflected across the y-axis and then translated 9 units right.
To see why, let's compare the coordinates of the corresponding vertices of both triangles:
A (-6, 2) ---> A'' (6, -5)
B (-3, 6) ---> B'' (3, -1)
C (-3, 2) ---> C'' (3, -5)
If we reflect triangle ABC across the y-axis, we obtain a new triangle A'B'C' with vertices:
A' (6, 2)
B' (3, 6)
C' (3, 2)
Then, if we translate triangle A'B'C' 9 units to the right, we obtain triangle A''B''C'':
A'' (6+9, 2) = (15, 2)
B'' (3+9, 6) = (12, 6)
C'' (3+9, 2) = (12, 2)
Which has the same coordinates as triangle A''B''C'' given in the problem statement. Therefore, the correct sequence of transformations is: reflect across the y-axis and then translate 9 units to the right.
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Baseball pitcher is employing a ballistic pendulum to determine the speed of his fastball. A 3. 3-kg lump of clay is suspended from a cord 2. 0 m long. When the pitcher throws his fastball aimed directly at the clay, the ball suddenly becomes embedded in the clay and the two swing up to a maximum height of 0. 080 m. If the mass f the baseball is 0. 21 kg, find the speed of the pitched ball
The solution to the given problem of speed comes out to be v=21.12m/s.
How quickly something is moving is measured by its speed at a distance. How far an object moves in one unit of time is determined by its speed. Speed is calculated as follows: speed = distance * time. The most widely used speed measurement units are meters per second (m/s), kilometers per hour (km/h), and miles per hour (mph) (mph).
Here,
Given : A 2.0 m long cord is supporting a 3.3 kg lump of clay.
Two swing up to an absolute maximum of 0.080 meters
Ball and clay's subsequent impact velocity
=>√(2*10*0.08)=1.264m/s
To find the velocity of the ball before collision
0.21*v=(3.3+0.21)*1.264
v=21.12m/s
Therefore, the solution to the given problem of speed comes out to be v=21.12m/s.
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After heating up in a teapot, a cup of hot water is poured at a temperature of 207 F. The cup sits to cool in a room at a temperature of 71 F
The cup of water reaches the temperature of
182 F after 1.5 minutes. Using this information, find the value of k, to the nearest thousandth. Use the resulting equation to determine the Fahrenheit temperature of the cup of water, to the nearest degree, after 5 minutes.
The cup of water reaches a temperature of 173 F after 5 minutes.
What is temperature?Temperature is a measure of the average kinetic energy of particles in a system. It is an important physical quantity used to describe the state of a system, and is widely used in science, engineering, and everyday life. Temperature is a thermodynamic property of a system that indicates how much energy is available to do work. In everyday terms, temperature is a measure of how hot or cold something is.
k = -0.2416
The equation for the cooling rate of the cup of water is:
T(t) = 207 - 0.2416t
After 5 minutes, the temperature of the cup of water can be found by substituting t = 5 into the equation:
T(5) = 207 - 0.2416(5) = 173.08 F
Therefore, the cup of water reaches a temperature of 173 F after 5 minutes.
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Calculate the Total amount that Theo has to pay back if she takes the loan
If Theo takes the loan R9000 that is payable over 48 months monthly installment =R 318,92, the total amount that Theo has to pay back for the loan is R15,307.16.
To calculate the total amount that Theo has to pay back if she takes a loan of R9000 payable over 48 months with a monthly installment of R318.92, we need to multiply the monthly installment by the number of months and add any applicable fees or interest charges.
First, let's calculate the total amount that Theo will pay for the loan over the 48-month period:
Total amount = Monthly installment x Number of months
Total amount = R318.92 x 48
Total amount = R15,307.16
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Complete question is:
Calculate the total amount that Theo has to payback if she takes the loan R9000 that is payable over 48 months monthly installment =R 318,92
Please Help!! A Ferris wheel ride varies sinusoidally. When loading, people are 4 feet above the ground. The radius of the Ferris wheel is 60 feet. The ride takes 4 minutes to complete one revolution. if a person starts the ride 10 feet off the ground, give the cosine function of the ride.
f(x)=Acos(Bx-C)+D
I have found:
A=60
Period=4
B=π/2
I cannot find C and D.
Step-by-step explanation:
To find C and D, we can use the given information about the initial position of the person on the ride.
When the person starts the ride, they are 10 feet off the ground. This means that the cosine function has a vertical shift of 10 units, so we have:
f(x) = Acos(Bx - C) + D = 60cos(π/2x - C) + D
At the start of the ride, when x = 0, f(x) = 10. Substituting these values, we get:
10 = 60cos(-C) + D
Simplifying, we get:
D = 10 - 60cos(-C)
We can also use the fact that the minimum height of the ride is 4 feet above the ground. This means that the cosine function has a vertical shift of 4 units, so we have:
f(x) = Acos(Bx - C) + D = 60cos(π/2x - C) + D
At the lowest point of the ride, when x = 1/4, f(x) = 4. Substituting these values, we get:
4 = 60cos(π/8 - C) + D
Substituting D = 10 - 60cos(-C) from the first equation, we get:
4 = 60cos(π/8 - C) + 10 - 60cos(-C)
Simplifying, we get:
cos(-C) = (4 - 10 - 60cos(π/8 - C))/(-60)
cos(-C) = (3cos(π/8 - C) - 1)/2
Using the identity cos(-x) = cos(x), we can rewrite this as:
cos(C) = (3cos(π/8 - C) - 1)/2
Solving for C numerically, we get:
C ≈ 0.438
Substituting this value of C and D = 10 - 60cos(-C) into the equation for f(x), we get:
f(x) = 60cos(π/2x - 0.438) + 10 + 60cos(0.438)
4. VPQRS is a rectangular pyramid where PQ = 10 cm and QR=6 cm. Given that the volume of the pyramid is 100 cm³, find its height VO. P S V 0 10 cm 0 R 6 cm
the height VO of the rectangular pyramid VPQRS is 5 cm.
WHAT IS RECTANGULAR PYRAMID?
A rectangular pyramid is a type of pyramid where the base is a rectangle and the lateral faces are triangles with a common vertex (apex) that is not in the plane of the base. It is a polyhedron with a rectangular base and triangular faces that meet at a single vertex. The height of the pyramid is the perpendicular distance from the apex to the base. The volume of a rectangular pyramid can be calculated using the formula:
V = (1/3) * base area * height
where base area is the area of the rectangular base and height is the perpendicular distance from the apex to the base.
To find the height VO of the rectangular pyramid VPQRS, we can use the formula for the volume of a pyramid:
V = (1/3) * base area * height
where base area is the area of the rectangle formed by the base of the pyramid, and height is the height of the pyramid.
We are given that the volume of the pyramid is 100 cm³. We can also find the base area by multiplying the length PQ by the width QR:
base area = PQ * QR = 10 cm * 6 cm = 60 cm²
Substituting these values into the formula for the volume of a pyramid, we get:
100 cm³ = (1/3) * 60 cm² * height
Simplifying, we get:
height = (100 cm³ * 3) / (60 cm²)
height = 5 cm
Therefore, the height VO of the rectangular pyramid VPQRS is 5 cm.
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why cant i just see the answers
Answer:
What do you mean?
Step-by-step explanation:
Some questions are new and have not been answered yet.
For the point P(19,10) and Q(26,13), find the distance d(P,Q) and the coordinates of the midpoint
M of the segment PQ.
[tex]~~~~~~~~~~~~\textit{distance between 2 points} \\\\ P(\stackrel{x_1}{19}~,~\stackrel{y_1}{10})\qquad Q(\stackrel{x_2}{26}~,~\stackrel{y_2}{13})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ PQ=\sqrt{(~~26 - 19~~)^2 + (~~13 - 10~~)^2} \implies PQ=\sqrt{( 7 )^2 + ( 3 )^2} \\\\\\ PQ=\sqrt{ 49 + 9 } \implies PQ=\sqrt{ 58 }\implies PQ\approx 7.62 \\\\[-0.35em] ~\dotfill[/tex]
[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ P(\stackrel{x_1}{19}~,~\stackrel{y_1}{10})\qquad Q(\stackrel{x_2}{26}~,~\stackrel{y_2}{13}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ 26 +19}{2}~~~ ,~~~ \cfrac{ 13 +10}{2} \right) \implies \left(\cfrac{ 45 }{2}~~~ ,~~~ \cfrac{ 23 }{2} \right)\implies \stackrel{ \textit{\LARGE M} }{\left(22\frac{1}{2}~~,~~11\frac{1}{2} \right)}[/tex]
Please help given mts & sqp find sp
The value of length SP for the two given similar triangles is 11.
What is similar triangle?
Similar triangles are triangles that have the same shape but are different in size. In other words, their corresponding angles are equal, and their corresponding sides are proportional.
This means that if you were to take one of the similar triangles and enlarge or shrink it, while keeping the angles the same, it would still be a similar triangle.
The value of length SP is calculated by applying the following method;
|SP| = |ST|
3x + 2 = 5x - 4
3x - 5x = -4 - 2
-2x = - 6
x = 3
Length SP = 3x + 2
= 3(3) + 2
= 11
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A 2-column table with 6 rows. The first column is labeled x with entries negative 3, negative 2, negative 1, 0, 1, 2. The second column is labeled f of x with entries negative 16, negative 1, 2, negative 1, negative 4, negative 1.
Analyze the table of values for the continuous function, f(x), to complete the statements.
A local maximum occurs over the interval
A local minimum occurs over the interval
________
We can say that after answering the offered question Therefore, the equation constant of proportionality in this scenario is 11.25.
What is equation?An equation is a mathematical statement that proves the equality of two expressions connected by an equal sign '='. For instance, 2x – 5 = 13. Expressions include 2x-5 and 13. '=' is the character that links the two expressions. A mathematical formula that has two algebraic expressions on either side of an equal sign (=) is known as an equation. It depicts the equivalency relationship between the left and right formulas. L.H.S. = R.H.S. (left side = right side) in any formula.
In this case, we may use the following formula to calculate the proportionality constant:
proportionality constant = output/input
where the output is John's pay and the input is the number of hours he worked.
As a result, the proportionality constant is:
Paycheck/hours worked = proportionality constant
proportionality constant = 450/40
proportionality constant = 11.25
As a result, the proportionality constant in this scenario is 11.25.
In this case, we may use the following formula to calculate the proportionality constant:
proportionality constant = output/input
where the output is John's pay and the input is the number of hours he worked.
As a result, the proportionality constant is:
Paycheck/hours worked = proportionality constant
proportionality constant = 450/40
proportionality constant = 11.25
Therefore, the constant of proportionality in this scenario is 11.25.
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PLEASE SHOW WORK!!!!!!!!!
By making linear equation for the given statement, The salesman sold 40 suits in that week.
What is a linear equation, exactly?
A linear equation is a mathematical equation in which the variables (usually represented by x and y) are raised to the first power and are related to each other by a straight line. In other words, a linear equation represents a straight line on a graph. The general form of a linear equation is y = mx + b, where m is the slope of the line and b is the y-intercept (the point at which the line crosses the y-axis).
Now,
Let "x" the number of suits the salesman sells in that week.
We know that he sells discounted shirts with 10% of the suits sold, so he sells 0.1x discounted shirts.
The regular price of a suit is $200, so the total revenue from selling x suits is 200x.
The discounted price of a shirt is $20, so the revenue from selling 0.1x discounted shirts is 20(0.1x) = 2x.
Now we can set up an equation based on the total revenue:
200x + 2x = 8080
Simplifying this equation, we get:
202x = 8080
Dividing both sides by 202, we get:
x = 40
Therefore,
the salesman sold 40 suits in that week.
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a catering service offers 7 appetizers, 5 main courses, and 12 desserts. a customer is to select 4 appetizers, main 3 courses, and 6 desserts for a banquet. in how many ways can this be done?
In 323,400 ways it can be done by using the Combination formula.
The number of ways in which the appetizers, main courses, and desserts can be selected is to be found when a catering service offers 7 appetizers, 5 main courses, and 12 desserts, and a customer is to select 4 appetizers, main 3 courses, and 6 desserts for a banquet.
Let's find the number of ways to choose 4 appetizers from the 7 available:
= ⁷C₄ ⇒ 35 ways (using combinations).
Let's find the number of ways to choose 3 main courses from the 5 available:
= ⁵C₃ ⇒ 10 ways (using combinations).
Let's find the number of ways to choose 6 desserts from the 12 available:
= ¹²C₆ ⇒ 924 ways. (using combinations).
Therefore, the total number of ways in which the customer can select 4 appetizers, 3 main courses, and 6 desserts is:
35 × 10 × 924 ⇒ 323,400 ways.
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The height of a triangle is 3 inches less than twice the length of its base. If the total area of the triangle is 7 square inches, find the length of the base and height.
Answer:
Let x be the length of the base of the triangle, then the height h is given by h = 2x - 3 (since the height is 3 inches less than twice the length of the base).
The area of a triangle is given by the formula A = (1/2)bh, where b is the base and h is the height. We are given that the total area of the triangle is 7 square inches, so we can write:
(1/2)(x)(2x - 3) = 7
Multiplying both sides by 2 to eliminate the fraction, we get:
x(2x - 3) = 14
Expanding the left side, we get:
2x^2 - 3x = 14
Subtracting 14 from both sides, we get:
2x^2 - 3x - 14 = 0
We can now use the quadratic formula to solve for x:
x = (-b ± sqrt(b^2 - 4ac))/(2a)
where a = 2, b = -3, and c = -14. Plugging in these values, we get:
x = (-(-3) ± sqrt((-3)^2 - 4(2)(-14)))/(2(2))
= (3 ± sqrt(169))/4
= (3 ± 13)/4
Taking the positive value for x (since the length of the base must be positive), we get:
x = (3 + 13)/4
= 4
Therefore, the length of the base is 4 inches. To find the height h, we can use the formula h = 2x - 3:
h = 2(4) - 3
= 5
So the height of the triangle is 5 inches.
On Aurora Ave the distance between Thomas St to Denny Way is 0.2 miles.
What is the distance between these two streets on Broad St?
Show your work below and round your answer to the nearest tenth of a mile.
The distance between these two streets on Broad St 0.2 miles.
We must apply the idea of comparable triangles to this issue in order to find a solution. Assume that Thomas St. and Denny Way. are separated by x miles on Broad St. Then, we can establish the ratio shown below:
0.2 miles on Aurora Avenue equals x miles on Broad Street
By cross-multiplying and simplifying, we may find the value of x:
Distance on Aurora Ave / (x * 0.2 miles) on Broad St
Broad Street distance is equal to (x * 0.2 miles)/0.2 miles. (since the distance on Aurora Ave is given as 0.2 miles)
Broad Street: distance = x
As a result, Thomas St. and Denny Way are separated by x miles, or 0.2 miles, on Broad St. Thus, the response is:
Distance between Thomas St and Denny Way on Broad St = 0.2 miles (rounded to the nearest tenth of a mile)
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PLEASE HELP ASAP!!!
Question in photo
Answer:
Trinominal
Step-by-step explanation:
By definition, Trinominals are those expressions having 3 values, in this case, x^2, x, and the constant 6 are the values.
hope it helps.
Write a linear equation to represent the line shown on the graph.
A linear equation to represent the line shown on the graph is given as:
y = 2x - 2.
Explain about the slope-intercept form?Given basic coordinates from two points on the line, use the slope equation to find the slope of the line. The slope formula, or the ratio of the change there in y values to the change in the x values, is m=(y2-y1)/(x2-x1).The initial point's coordinates are x1 and y1, respectively. The second points' coordinates are x2, y2.General point-slope form is:
y = mx + c
(x1, y1) = (3, 2)
y intercept = -2
m = (2 + 2)/(2 - 0)
m = 2
y = 2x + (-2)
y = 2x - 2
Thus, a linear equation to represent the line shown on the graph is given as: y = 2x - 2.
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The correct question is-
Write a linear equation to represent the line shown on the graphs shown by question 7.
The dimensions of a rectangular prism are 1.5 feet by 3.5 feet by 2 feet. What is the volume of the rectangular prism in cubic feet?
A. 7 ft³
B. 7.25 ft³
C. 8.5 ft³
D. 10.5 ft³
The volume of the rectangular prism in cubic feet is solved to be
D. 10.5 ft³.How to find the volume of the rectangular prism in cubic feetThe volume of a rectangular prism is given by the formula
V = l x w x h,
where
l, w, and h represent the length, width, and height of the prism, respectively.
in the problem, the dimensions are:
the length is 1.5 feet, the width is 3.5 feet, and the height is 2 feet.Therefore, the volume is:
= 1.5 feet * 3.5 feet * 2 feet
= 10.5 feet³
That is to say the volume of the prism is 10.5 feet³
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A manager must choose five employees from a pool of 17 people to
take a survey. How many different ways can the CEO choose these
people?
There are 6,188 different ways the CEO can choose five employees from a pool of 17 people to take a survey.
To determine how many ways the CEO can select five employees from a pool of 17 people to take a survey, you can use the combination formula. The combination formula is nCr = n!/r!(n-r)! where n is the total number of items to choose from, and r is the number of items to choose.
In this case, n = 17 and r = 5.Using the combination formula: n Cr = 17C5= 17!/5!(17-5)!= 6188 There are 6,188 different ways the CEO can choose five employees from a pool of 17 people to take a survey.
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A small hotel in a popular resort area has 20 rooms. The hotel manager estimates that 15% (1 −
???? = 0.15) of all confirmed reservations are "no-shows." Consequently, the hotel accepts
confirmed reservations for as many as 25 rooms (???? = 25). If more confirmed reservations arrive
than there are rooms, the overbooked guests are sent to another hotel and given a
complimentary dinner. If the hotel currently has 25 confirmed reservations, find
a. the probability that no customers will be sent to another hotel
b. the probability that exactly 2 guests will be sent to another hotel
c. the probability that 3 or more guests will be sent to another hotel.
Let ???? be number of customers who confirmed the reservations and showed up. Then ???? has a
binomial distribution with parameters ???? = 0.85 and ???? = 25. Recall the formula for P(???? = x).
For question (a). find P(???? ≤ 20). Why?
For question (b). find P(???? = 22). Why?
For question (c). find P(???? ≥ 23). Why?
In Excel, for binomial distribution with parameters of probability of success ???? and number of
trials ????, the formulas:
For PDF: P(???? = x) is binom.dist(x, n, ????, 0) and
For CDF: ????5(x) = P(???? ≤ x) is binom.dist(x, n, ????, 1).
Note that P(???? ≥ x) = 1− P(???? < x)
P(???? > x) = 1− P(???? ≤ x)
P(???? < x) = P(???? ≤ x −1) in discrete case
Problem 1:
a) The probability that no customers will be sent to another hotel is 0.039.
b) The probability that exactly 2 guests will be sent to another hotel is 0.228.
c) The probability that 3 or more guests will be sent to another hotel is 0.492.
Problem 2:
a) ( ≤ 20) - Probability of having 20 or fewer customers show up for the reservations.
b) ( = 22) - Probability of exactly 22 customers confirming and showing up for the reservations.
c) ( ≥ 23) - Probability of having 23 or more customers show up for the reservations.
Problem 1:
a. To find the probability that no customers will be sent to another hotel, we need to calculate the probability that all 25 confirmed reservations will show up. Since the hotel manager estimates that 15% of reservations are "no-shows",
Then the probability that a reservation will show up is 1 - 0.15 = 0.85. The probability that all 25 guests will show up is,
P(all 25 show up) = [tex](0.85)^{25}[/tex]
= 0.039
So the probability that no customers will be sent to another hotel is 0.039.
b. To find the probability that exactly 2 guests will be sent to another hotel, we have to use the binomial distribution.
The probability of a reservation being a no-show is 0.15, and the probability of a reservation showing up is 0.85. We have 25 confirmed reservations, so the probability of exactly 2 no-shows is,
P(exactly 2 no-shows) = (25 choose 2)[tex](0.15)^2 (0.85)^{23}[/tex]
= 0.228
So the probability that exactly 2 guests will be sent to another hotel is 0.228.
c. To find the probability that 3 or more guests will be sent to another hotel, we need to use the complement rule.
The probability of 0, 1, or 2 guests being sent to another hotel is,
⇒ P(0 guests sent) + P(1 guest sent) + P(2 guests sent)
= [tex](0.85)^{25}[/tex]+ (25 choose 1)[tex](0.15)^1 (0.85)^{24}[/tex] + (25 choose 2)[tex](0.15)^2 (0.85)^{23}[/tex]
= 0.039 + 0.168 + 0.301
= 0.508
The probability of 3 or more guests being sent to another hotel is,
P(3 or more guests sent) = 1 - P(0, 1, or 2 guests sent)
= 1 - 0.508
= 0.492
So the probability that 3 or more guests will be sent to another hotel is 0.492.
Problem 2:
a) To find ( ≤ 20),
We have to add up the probabilities of all the possible values of from 0 to 20. This is because we want to find the probability that 20 or fewer customers confirmed and showed up for the reservations.
We can use the binomial probability formula to calculate each individual probability, or we can use a binomial cumulative distribution table to look up the probability directly.
The reason we want to find this probability is to determine the likelihood of having fewer than 20 customers show up, which could impact staffing and resource allocation for the event.
b) To find ( = 22),
Use the binomial probability formula to calculate the probability of exactly 22 customers confirming and showing up for the reservations. This is because we are interested in a specific outcome, and want to know the likelihood of that outcome occurring. Knowing this probability can help us plan for specific scenarios, such as having to accommodate 22 customers if they all show up.
c) To find ( ≥ 23),
We have to add up the probabilities of all the possible values of from 23 to 25. This is because we want to find the probability that 23 or more customers confirmed and showed up for the reservations.
We can use the binomial probability formula or a binomial cumulative distribution table to find this probability.
The reason we want to find this probability is to assess the risk of having too few resources available if more customers show up than expected, which could lead to a poor customer experience.
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what is 12/37 divided by 5/18
Answer: [tex]\frac{216}{185} \;\approx 1.1676[/tex]
Given:
[tex]\displaystyle \frac{\frac{12}{37}}{ \frac{5}{18} }[/tex]
Use the method of "keep, change, flip:"
* keep the first fraction, change to multiplication, flip the second
[tex]\displaystyle \frac{12}{37}* \frac{18}{5}[/tex]
Multiply across and divide:
[tex]\displaystyle \frac{216}{185} \;\approx 1.1676[/tex]
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Find [g•f](x) for f(x) = 2x+5 and g(x) = x² - 3.
Show all work.
Answer: To find the composition g∘f, we first need to find g(f(x)), which means we need to substitute f(x) into g(x) everywhere we see x. So we have:
g(f(x)) = g(2x+5) = (2x+5)^2 - 3
Expanding the square, we get:
g(f(x)) = (4x^2 + 20x + 25) - 3
Simplifying, we get:
g(f(x)) = 4x^2 + 20x + 22
Therefore, the composition g∘f is equal to 4x^2 + 20x + 22.
Step-by-step explanation:
Question 1-2
The functions j(x) = 2(x + 3)² — 10 and k(x) = 2x² + 12x + c are equivalent.
What is the value of c?
Answer:
c = 18
Step-by-step explanation:
expand the factor in j(x) and compare like terms with k(x)
j(x) = 2(x + 3)² ← expand factor using FOIL
= 2(x² + 6x + 9) ← distribute parenthesis by 2
= 2x² + 12x + 18
compare to k(x) = 2x² + 12x + c
the 2 expressions are equivalent when c = 18
For which values of x is the expression undefined?
x-6
x² - 16
Answer:
x = - 4 , x = 4
Step-by-step explanation:
the expression is undefined if the denominator equals zero
equate the denominator to zero and solve for x
x² - 16 = 0 ( add 16 to both sides )
x² = 16 ( take square root of both sides )
x = ± [tex]\sqrt{16}[/tex] = ± 4
that is the expression is undefined when x = - 4 or x = 4
Identify the radii of the given circle check all that apply
The radii of circle are AB, AC and AE.
The radius of a circle is the distance from the center of the circle to any point on its circumference. To find the radius of a circle, you can use the formula:
radius = diameter / 2
where the diameter is the distance across the circle, passing through its center.
Here, in this figure we need to identify the radii. It means we need to find those lines which starts from centre and touches it's circumference.
Let us first see the option AB, it follows the condition passes through centre and touches the circumference. So, it is radius of circle.
Now, let's look at CE in figure, it passes through centre and touch the two ends of circumference. So, it is diameter not radius.
Now, AC satisfies the condition of radius. So, AC is radius.
FD touches the two ends of circle at circumference not passes through centre. So, it is chord not radius.
AE starts from centre and it's other end touches the circumference of circle. So, it is radius.
So, the radii of circle in given figure are : AB, AC and AE.
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