The function representing the daily profit based on production of premium coffee is given by ,
T = [tex]\int_{1}^{x}[/tex] [(t² + 1 ) / t² ] dt + (13,500 + (1/x) - x)
Function for daily profit associated with the production of excel so coffee is equal to,
G(x) =[tex]\int_{1}^{x}[/tex] [(t² + 1 ) / t² ] dt
Let's assume that the profit per kilogram of premium coffee is p dollars.
And total production of premium coffee is y kilograms per day.
Total profit from premium coffee is P = p × y
Company produces a total of 4000 kilograms of coffee per day.
⇒ y = 4000 - x
x = production of traditional coffee in kilograms per day.
Total profit for the company is,
T = G(x) + P
Substituting the expressions for P and y,
T = G(x) + p × (4000 - x)
Company's daily profit from producing traditional coffee = $13,500
⇒ 13,500 = G(x) + 4 × x
Substituted the marginal profit of $4 per kilogram for traditional coffee.
Profit per kilogram of premium coffee, p, in terms of x is equal to,
⇒ T = G(x) + p × (4000 - x)
⇒ 13,500 = G(x) + p×(4000 - x)
⇒ 13,500 = [tex]\int_{1}^{x}[/tex][(t² + 1 ) / t² ] dt + p×(4000 - x)
⇒ 13,500 = [x - (1/x)] + p× (4000 - x)
⇒13,500 = x - (1/x) + 4000p - px
⇒ 13,500 = (1-p)x - (1/x) + 4000p
p = (13,500 + (1/x) - x)/(4000 - x)
Function for daily profit associated with the production of premium coffee is,
T = G(x) + (13,500 + (1/x) - x)/(4000 - x) × (4000 - x )
Simplifying we get,
⇒ T = G(x) + (13,500 + (1/x) - x)
Therefore, the function for daily profit associated with the production of premium coffee is equal to
T = [tex]\int_{1}^{x}[/tex] [(t² + 1 ) / t² ] dt + (13,500 + (1/x) - x)
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The above question is incomplete , the complete question is:
A coffee processing company produces 4,000 kilograms of traditional coffee per day, obtaining a daily profit of 13,500 dollars and a marginal profit of 4 dollars per kilo 1. An administrator proposes to change the production of traditional coffee to premium coffee, the administrator affirms that the function of daily profit associated with the production of excel so coffee is:
G(x) = [tex]\int_{1}^{x}[/tex] [(t² + 1 ) / t² ] dt
HELP ME PLSSS!! <33 thank youuuuu
The value of t in the figure is calculated using the concept of similar triangles to be equal to
27How to find the value of tThe value of t is solved using the concept of similar triangles. this involves taking the proportions of the sides which are equal to each order
The calculation is completed as follows
JK / JG = KI / GH
substituting the values of each side
1 / 2 = t / t + 27
cross multiplying
t + 27 = 2t
collecting like terms
27 = 2t - t
27 = t
We can therefore say that the value of t is equal to 24
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An object is thrown vertically upward from the surface of a celestial body at a velocity of 36 meters per second. Its distance from the surface at t seconds is given by s(t) = -0.8t^2 + 32ta) What is the object's velocity after 2 seconds?b) How many seconds does it take the object to reach its maximum height?c) What is the object's maximum height?
The answer to your question is:
a) To find the object's velocity after 2 seconds, we need to take the derivative of the function s(t) = -0.8t^2 + 32t. The derivative of s(t) is s'(t) = -1.6t + 32. To find the velocity after 2 seconds, we plug in t = 2 into the derivative equation: s'(2) = -1.6(2) + 32 = 28.8 meters per second. Therefore, the object's velocity after 2 seconds is 28.8 meters per second.
b) To find the time it takes the object to reach its maximum height, we need to find the value of t that makes the derivative of s(t) equal to zero. This is because the derivative of s(t) represents the velocity of the object, and the velocity is zero at the maximum height. So we set s'(t) = 0 and solve for t:
0 = -1.6t + 32
1.6t = 32
t = 20 seconds
Therefore, it takes the object 20 seconds to reach its maximum height.
c) To find the object's maximum height, we plug in the value of t that we found in part b into the original equation for s(t):
s(20) = -0.8(20)^2 + 32(20) = 320 meters
Therefore, the object's maximum height is 320 meters.
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Beverly has a bag of marbles that weighs 30 grams. She knows that each marble weighs 1.5 grams and the bag weighs 1.5 grams. Which equation could she use to determine how many marbles are in the bag? Select all that apply. (1.5)x + 1.5 = 30 30 – x = 2(1.5) (1.5)(30) = 1.5x 1.5 + x = 30 1.5x = 30 – 1.5
Answer:
(1.5)x + 1.5 = 30
Step-by-step explanation:
I NEED HELPP FAST!!!
Evaluate 3^-2.
A. -1/9
B. 1/9
C. 1
D. -6
Answer:
[tex] \frac{1}{9} [/tex]
Step-by-step explanation:
Deal with negative and numerical exponents separately;
Negative exponent means reciprocal;
2 means sqared;
So:
[tex] {3}^{2} = 9 \\ {3}^{ - 2} = \frac{1}{9} [/tex]
What is the interquartile range of the waist measurments
The correct answer to the given question is a)29, (b) 91cm is median waist measurement and (c)13cm is interquartile range
(a)From the graph, 11 men have a waist measurement of 85cm and below. Since the cumulative frequency is 40
Number of men who have a waist measurement of more than 85 cm
= 40 − 11
= 29
(b)Median
Given a dataset of size N = 40, the median can be calculated as:
Median = (N + 1) / 2
where N is the total number of items in the dataset.
Substituting the given value of N, we get:
Median = (40 + 1) / 2
Median = 20.5
Since the median has to be a whole number, we take the 20th item as the median. Tracing 20 from the y-axis to the x-axis, the median waist measurement is 91cm.
(c)Interquartile Range = Q3 - Q1
To find the first quartile, denoted as Q1, you need to determine the value that separates the lowest 25% of the dataset from the rest of the dataset.
The formula for the first quartile is: Q1 = (N + 1) / 4
where N is the total number of items in the dataset.
Substituting the given value of N, we get:
Q1 = (40 + 1) / 4
Q1 = 10.25
Since we need to find the 10th item, which corresponds to the 25th percentile of the dataset, we take the integer part of Q1, which is 10. Therefore, the first quartile, Q1, is the 10th item.
From the graph, at y= 10, x= 84 cm
To find the third quartile, denoted as Q3, you need to determine the value that separates the highest 25% of the dataset from the rest of the dataset.
The formula for the third quartile is: Q3 = 3(N + 1) / 4
where N is the total number of items in the dataset.
Substituting the given value of N, we get:
Q3 = 3(40 + 1) / 4
Q3 = 30.75
Since we need to find the 30th item, which corresponds to the 75th percentile of the dataset, we take the integer part of Q3, which is 30. Therefore, the third quartile, Q3, is the 30th item.
From the graph, at y= 30, x =97 cm
Therefore: Interquartile Range = 97 - 84 = 13cm
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Complete Question
a) how many men have a waist measurement of more than 85 cm
b) what is the median waist measurement
c) what is the interquartile range of the waist measurements
ASAP. Will give you the brainliest answer!!! Please show working out.
Answer:
1250 pigs------------------------------
Find the area using formula:
[tex]A=(b_1+b_2)h/2[/tex]Substitute values into formula to get:
[tex]A=(12*5^3+8*5^3)(2*5^3)/2=(20*5^3)(2*5^3)/2= (10*5^3)(2*5^3)[/tex]Since each pig gets 2*5³ m² of land, by dividing the area by this number, Daniel can put:
10*5³ = 10*125 = 1250 pigs in the fieldWrite an equation in point-slope form of the line that passes through the point (2,−8) and has a slope of 4.
Answer:
y = 4x + -8
hope this helps <3
Find the slope from A ( 2, 4) to B (-4, 0).
Slope of AB: m =
Step-by-step explanation:
Slope is y2 - y1 / x2 - x1
X1 =2 y1 =4 x2 =-4 y2= 0
0 - 4/ - 4 - 2 = - 4/-6
Sslope =2/3 or 0.67
Round it up if you are asked to.
The interior angles formed by the sides of a quadrilateral have
measures that sum to 360°,
What is the value of x?
Enter your answer in the box.
(3x-6)
88
2x
108
Answer:
X = 34
Step-by-step explanation:
360-108 = 252
252-88 = 164
5x-6
164+6 = 170
170/5 = 34
1a) Let z be a standard normal random variable with mean ???? = 0 and standard deviation ???? = 1. Use Table 3 in Appendix I to find the probability. (Round your answer to four decimal places.) You may need to use the appropriate appendix table to answer this question.
P(z < 1.645) =
1b) Let z be a standard normal random variable with mean ???? = 0 and standard deviation ???? = 1. Use Table 3 in Appendix I to find the probability. (Round your answer to four decimal places.) You may need to use the appropriate appendix table to answer this question.
The probability P(z < 1.645) is the area under the standard normal curve to the left of 1.645.
What is Probability?Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, where 0 indicates that the event is impossible and 1 indicates that the event is certain. Probability is used to assess the outcome of any random event, such as the roll of a die or the flip of a coin. It can also be used to measure the likelihood of future events, such as the stock market rising or falling.
This probability is calculated by using Table 3 in Appendix I. The probability is 0.9500, which means that 95% of the area under the normal curve is to the right of 1.645.
This phenomenon is occurring because the normal distribution is symmetrical. The area to the left and to the right of the mean are equal, and thus the probability of P(z < 1.645) is the same as the probability of P(z > 1.645). The normal distribution is also unimodal, meaning that there is a single peak and all other data points have lower probability than the peak. Since the peak of the normal distribution is at the mean (0 in this case), any value to the right of the mean will have a higher probability than any value to the left of the mean. Thus, the probability of P(z > 1.645) is greater than the probability of P(z < 1.645).
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The probability P(z < 1.645) is the area under the standard normal curve to the left of 1.645.
What is Probability?
Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, where 0 indicates that the event is impossible and 1 indicates that the event is certain.
This probability is calculated by using Table 3 in Appendix I. The probability is 0.9500, which means that 95% of the area under the normal curve is to the right of 1.645.
The symmetric nature of the normal distribution is what is causing this phenomena. Because the area to the left and right of the mean are equal, the likelihood that z will be less than or more than 1.645 is equally likely. Furthermore, the normal distribution is unimodal, which means that there is only one peak and that all other data points have a probability that is smaller than the peak. Since the mean (0 in this case) is where the normal distribution's peak occurs, any value to the right of the mean will be more likely to occur than any value to the left of the mean. As P(z > 1.645) is more likely than P(z 1.645), the former is true.
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How do i check
y=x+2
y=5x-2
After solving the equation using the elimination method, the value of x is 1 and y is 3.
The given system of equations are:
y = x + 2...............(1)
y = 5x - 2...............(2)
We solving equation by the elimination method.
The elimination method is a method of solving systems of linear equations. It involves performing operations on the equations, such as addition and multiplication, to transform the equations into simpler forms.
Subtract equation 1 and equation 2
x+2 - 5x + 2 = 0
-4x + 4 = 0
Subtract 4 on both side, we get
-4x = -4
Divide by -4 on both side, we get
x = 1
Now put the value of x in equation 1.
y = 1 + 2
y = 3
The solution set is {1, 3}.
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The complete question is:
Find the value of x and y.
y = x+2
y=5x-2
Domain and range of
[tex]x = {2}^{y} [/tex]
Hence, in response to the provided question, we can say that As a result, the set of all positive real numbers is the range of this equation.
What is equation?An algebraic equation is a method of connecting two quotes by using the equals symbol (=) to express equality. In algebra, an explanation is a definitive expression that verifies the equivalency of two formula. For example, the identical character divides the numbers 3x + 5 and 14. A linear equation might be used to recognize the connection that existing between the texts written on separate sides of a letter. The product and application both frequently the same. 2x - 4 equals 2, for example.
x = 2y is the provided equation.
y denotes the exponent of 2 in this equation. The exponent's base, 2, is a positive real number. As a result, y can be any real number. This equation's domain is all real numbers.
Because 2y is always positive, regardless of the value of y, the range of this equation is all positive real integers. Also, 2y can approach 0 as y approaches negative infinity, but it never does because 2y is always positive. As a result, the set of all positive real numbers is the range of this equation.
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I need to find if it's a solution or not
Based on the information, we can infer that the graph would be as shown in the attached image.
How to graph the equations?To graph the equations we must identify the values of the coordinates of each of the equations. In this case it would be:
Equation 1:
(-2.5), (0.2), (2,-1), (4, -4.75).Equation 2:
(-6.0), (-4, -0.75), (-2, -1.25), (0, -2).According to the above, the lines would look as shown in the graph. In the case of the first equation, it would be represented by the red line and the second equation would be represented by the blue line.
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Brookfield Street and Bloomington Avenue intersect. If Brookfield Street is 5 meters wide and Bloomington Avenue is 6 meters wide, what is the distance between two opposite corners of the intersection? If necessary, round to the nearest tenth.
Please respond
Thank you!
Answer:7.8
Step-by-step explanation:
[tex]\sqrt{6^2+5^2}[/tex]
evaluate the equation / expression
7.81025
Round 7.81025 to the required place
7.8
Answer:
7.8m
Step-by-step explanation:
To find:-
The distance between opposite corners of intersection.Answer:-
From the given data i made a figure to represent the given situation. To find the distance between the opposite corners we would have to use Pythagoras theorem, .
The distance between the corners represents the hypotenuse of the right angled triangle and another two sides are represented by 5m and 6m .
According to Pythagoras theorem,
[tex]\rm\implies a^2+b^2 = h^2 \\[/tex]
Here a is 5m and b is 6cm .
[tex]\rm\implies (5m)^3+(6m)^2 = h^2 \\[/tex]
[tex]\rm\implies 25m^2+36m^2=h^2\\[/tex]
[tex]\rm\implies 61m^2=h^2\\[/tex]
[tex]\rm\implies h =\sqrt{61m^2} \\[/tex]
[tex]\rm\implies \red{ h = 7.8 \ m } \\[/tex]
Hence the distance between the opposite corners is 7.8 m
PLEASE HELP WILL GIVE BRAINLIEST
Answer:
Uhm i think its ABD weeweee
Step-by-step explanation:
Because monkeys wooowooo not weewee so the commentary would be weeeweee
niesa has a texting plan for her phone that charged her a fixed $20 fee each month and then a charge of $0.08 each text that she sends. Last month she spent $53.84 for the plan
Niesa sent apprοximately 423 texts last mοnth.
What is equatiοn ?In mathematics, an equatiοn is a fοrmula that expresses the equality οf twο expressiοns, by cοnnecting them with the equals sign =.
The wοrd equatiοn and its cοgnates in οther languages may have subtly different meanings; fοr example, in French an équatiοn is defined as cοntaining οne οr mοre variables, while in English, any well-fοrmed fοrmula cοnsisting οf twο expressiοns related with an equals sign is an equatiοn.
Let T be the number οf texts that Niesa sent last mοnth.
We can set up the equatiοn:
Tοtal cοst = fixed fee + (cοst per text x number οf texts)
$53.84 = $20 + ($0.08 x T)
Sοlving fοr T, we can subtract $20 frοm bοth sides:
$33.84 = $0.08 x T
Then, we can divide bοth sides by $0.08:
T = $33.84 / $0.08
T ≈ 423
Therefοre, Niesa sent apprοximately 423 texts last mοnth.
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One card is drawn from a standard deck of 52 playing cards. Find the probability of each of the following events: 1. A spade is drawn. 2. A seven is drawn. 3. A spade or heart is drawn. 4. A black jack is drawn.
1. 25%
2. 7.69%
3. 50%
4. 0.46%
1. The probability of drawing a spade is 1/4, or 25%.
2. The probability of drawing a seven is 4/52, or 7.69%.
3. The probability of drawing a spade or heart is 1/2, or 50%.
4. The probability of drawing a black jack is 1/216, or 0.46%.
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7 1/4 x 2^2+(8 1/2-2) divided by 3
Answer:
Step-by-step explanation:
First, we need to simplify the expression inside the parentheses:
8 1/2 - 2 = 8 + 1/2 - 2 = 6 1/2
Next, we need to evaluate the exponent:
2^2 = 2 x 2 = 4
Now, we can substitute the simplified values into the expression:
7 1/4 x 4 + (6 1/2) ÷ 3
Next, we need to evaluate the multiplication and division from left to right:
7 1/4 x 4 = 29 + (6 1/2) ÷ 3
6 1/2 ÷ 3 = 2 1/6
Substituting the simplified value:
29 + 2 1/6
Next, we need to add the two values:
29 + 2 1/6 = 31 1/6
Therefore, the final answer is 31 1/6.
12. Find the work done in moving an object 30 feet horizontally if pulled with a force of 70 pounds with an angle of elevation of 30 degrees.
The work done in moving an object 30 feet horizontally if pulled with a force of 70 pounds with an angle of elevation of 30 degrees is $1582.07\text{ ft-lbs}$.
Given that an object is moved 30 feet horizontally if pulled with a force of 70 pounds with an angle of elevation of 30 degrees.To find the work done in moving an object, we know thatWork done = Force * Distance * cos(θ)Where θ is the angle between the force applied and the displacement of the object.Here, force applied = 70 poundsDistance = 30 feetAnd θ = 30 degreesWe know that the force is applied at an angle of 30 degrees to the horizontal, thus the horizontal component of the force is given by:Horizontal component of force = Force × cos (θ)So, the horizontal component of the force applied is:Horizontal component of force = 70 cos 30°= 60.62 pounds (approx)Therefore, the work done in moving the object 30 feet horizontally is:Work done = force × distance × cos (θ)= 60.62 × 30 × cos 0.5= 60.62 × 30 × 0.87= $1582.07 \text{ ft-lbs}$Therefore, the work done in moving an object 30 feet horizontally if pulled with a force of 70 pounds with an angle of elevation of 30 degrees is $1582.07\text{ ft-lbs}$.
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PLEASE HELP!!!! ASAP
The side length x is given as follows:
[tex]x = \frac{7}{\sqrt{3}}[/tex]
The number that belongs in the green box is of 7.
What are the trigonometric ratios?The three trigonometric ratios are the sine, the cosine and the tangent, and they are defined as follows:
Sine of angle = length of opposite side to the angle divided by the length of the hypotenuse.Cosine of angle = length of adjacent side to the angle divided by the length of the hypotenuse.Tangent of angle = length of opposite side to the angle divided by the length of the adjacent side to the angle.For the side x, we have that:
It is opposite to the angle of 30º.The other side is of 7.Hence the tangent can be applied, as follows:
tan(30º) = x/7
x = 7 x tangent of 30 degrees
[tex]x = 7 \times \frac{1}{\sqrt{3}}[/tex]
[tex]x = \frac{7}{\sqrt{3}}[/tex]
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The measure of the length of x is equal to 7/√2 using the trigonometric ratio of tangent for angle 60°.
What are trigonometric ratiosThe trigonometric ratios involves the relationship of an angle of a right-angled triangle to ratios of two side lengths. Basic trigonometric ratios includes; sine cosine and tangent.
recall that tan 60° = √2
tan 60° = 7/x {opposite/adjacent}
√2 = 7/x
by cross multiplication
x = 7/√2.
Therefore, the measure of the length of x is equal to 7/√2 using the trigonometric ratio of tangent for angle 60°.
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A recent article in a national newspaper claimed that 40% of all students in US colleges drink some alcoholic beverages at least once a week. A students association argued that actually fewer students arink alcohol. In support of its claim the student association has sampled at random 500 students and found that only 180 of them stated that they do drink at least once a week. What is the (claimed) population proportion of students who drink at least once a week? p= By the CLT the distribution of the sample proportion p is the normal distribution with Mean: μ j =p and standard deviation σ j = n pq . Caiculate the values of these parameter assuming that the claimed population proportion in (a) is correct, μ p = and σ 5 = c) Calculate the (observed) sample proportion of those who said "Yes" (that they do drink at least once a week). p ^ 0 = 500 180 =0.36 p ˙ at = n x =0.36 d) Use the CLT and (b) to find the probability to observe such, or smaller, sample proportion if the claim in (a) were to be correct. Pr( p ≤ P ^ ade )= e) is the result in (d) supports or refutes the claim in (a)? Why?
Result in (d) refutes the claim in (a), since it is less than the 5% level of significance. Actual proportion is lower than 0.4.
A recent article in a national newspaper claimed that 40% of all students in US colleges drink some alcoholic beverages at least once a week. A students association argued that actually fewer students drink alcohol. In support of its claim the student association has sampled at random 500 students and found that only 180 of them stated that they do drink at least once a week.
Calculate the Claimed Population Proportion
The claimed population proportion is p=0.4
Calculate the Parameters for the Normal Distribution of Sample Proportion
By the Central Limit Theorem, the distribution of the sample proportion p is the normal distribution with mean μj=p=0.4 and standard deviation σj=npq= √[(0.4)(0.6)/500]=0.047.
Calculate the Observed Sample Proportion
The observed sample proportion of those who said "Yes" (that they do drink at least once a week) is pˆ0=500/180=0.36.
Calculate the Probability to Observe Such, or Smaller, Sample Proportion if the Claim in (a) Were to be Correct
Using the CLT and the parameters in (b), the probability to observe such, or smaller, sample proportion if the claim in (a) were to be correct is Pr(p≤pˆ0)=0.056.
Conclusion
The result in (d) refutes the claim in (a), since it is less than the 5% level of significance. This means that we reject the null hypothesis that the proportion of students drinking at least once a week is 0.4, and instead conclude that the actual proportion is lower than 0.4.
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CD =1/2AB In quadrilateral ABCD above, AD || BC and CD =1/2AB. What is the measure of angle B? A) 150° B) 135° C) 120° D) 90°
In quadrilateral ABCD abοve, AD || BC and CD =1/2AB. the measure οf angle is B 90°
What is a quadrilateral?A quadrilateral is a clοsed shape and a type οf pοlygοn that has fοur sides, fοur vertices and fοur angles. It is fοrmed by jοining fοur nοn-cοllinear pοints. The sum οf interiοr angles οf quadrilaterals is always equal tο 360 degrees.
Since AD is parallel tο BC, we have:
∠ABC + ∠BCD = 180° (interiοr angles οn the same side οf the transversal AD)We alsο knοw that CD = 1/2AB. Let's call the length οf AB "x". Then we have:
CD = 1/2AB
CD = 1/2x
Nοw, let's lοοk at triangle BCD. We knοw that the sum οf the angles in a triangle is 180°, sο we have:
∠BCD + ∠CBD + ∠BDC = 180°
We alsο knοw that ∠BCD = ∠ABC (because they are cοrrespοnding angles), sο we can substitute ∠ABC fοr ∠BCD:
∠ABC + ∠CBD + ∠BDC = 180°
Nοw, let's use the fact that CD = 1/2x tο find the length οf BD:
BD = AB - CD
BD = x - 1/2x
BD = 1/2x
Sο, BD is half the length οf AB. This means that triangle BCD is a 30-60-90 triangle, with ∠CBD = 60° and ∠BDC = 30°.
Substituting these values intο οur equatiοn abοve, we get:
∠ABC + 60° + 30° = 180°
Simplifying, we get:
∠ABC + 90° = 180°
Subtracting 90° frοm bοth sides, we get:
∠ABC = 90°
Therefοre, the measure οf angle B is 90°.
D) 90°.
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f(x) = log1/g 7; translation 8 units right followed by a vertical stretch by a factor of 5
Thus, the resulting function after an 8 unit right translation and a 5-unit vertical stretch is obtained as: f(x) = 5* log1/7(x+8)
Explain about the translation?Any applied either a horizontal or vertical shift to an object is referred to as a translation in geometry. In geometry, a translation is a displacement that occurs either horizontally to the left but rather right or straight up or down. It may also consist of a mix of the two.
The simplest technique to modify a geometric object is to identify its main points and translate those. By "connecting the dots," you can then finish the object.
The stated function:
f(x) = log1/7x
translation 8 units right will give (x + 8)
Function : f(x) = log1/7(x+8)
Now, vertical stretch by a factor of 5.
Function : f(x) = 5* log1/7(x+8)
Thus, the resulting function after an 8 unit right translation and a 5-unit vertical stretch is obtained as: f(x) = 5* log1/7(x+8)
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The correct question is-
f(x) = log1/7x ; translation 8 units right followed by a vertical stretch by a factor of 5. The resultant function will be?
Ashley bought stock in a company two years ago that was worth x dollars. During the first years that she owned the stock it decreased by 7%. During the second year the value of the stock decreased by 23%. Wrote an expression in terms of x that represents the value of the stock after two years
After answering the presented question, we can conclude that As a result, the equation that reflects the stock's value after two years in terms of x is: 0.7161x
What is equation?An equation is a mathematical statement that proves the equality of two expressions connected by the equal symbol '='. 2x - 5 Equals 13, for example. Expressions include 2x-5 and 13. The character '=' joins the two expressions. A mathematical formula with two algebraic expressions on either side of an equal sign (=) is known as an equation. It demonstrates the relationship of equivalence between the left and right formulas. In every formula, LHS = RHS (left side = right side).
Because the stock's value fell by 7% after the first year, it is now worth:
x - 0.07x = 0.93x
The stock's value dropped by 23% after the second year, therefore it would be worth:
0.93x - 0.23(0.93x) = 0.93x - 0.2139x = 0.7161x
As a result, the expression that reflects the stock's value after two years in terms of x is:
0.7161x
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lines r and s are parallel, meaning they will never intersect. Draw similar slope triangles on each line and find the slope of each line.What conclusion can you draw about the slopes of parallel lines?
If two lines have the same slope, it means that they have the same steepness or inclination and will never intersect, no matter how far they are extended in either direction.
What are parallel lines?Parallel lines are two or more lines in a two-dimensional plane that never intersect, regardless of how far they are extended in either direction. In other words, they have the same direction or slope but different y-intercepts.
What are the fundamental principles of parallel lines?They never intersect: Parallel lines are two or more lines in a two-dimensional plane that never intersect, regardless of how far they are extended in either direction.Same slope or direction: Parallel lines have the same slope or direction but different y-intercepts.Equidistant: Parallel lines remain equidistant from each other at all points.Transversal: When a transversal line intersects two parallel lines, the corresponding angles are congruent, the alternate interior angles are congruent, and the alternate exterior angles are congruent.In the given Question,
To draw similar slope triangles on each line, we can choose any two points on the line and connect them with a straight line segment. Then, we can calculate the rise (change in y) and run (change in x) between the two points and use these values to determine the slope of the line using the formula:
slope = rise / run
If we draw similar slope triangles on both parallel lines r and s, we will find that the ratios of the rise to the run are equal for both lines. This means that the slopes of the two lines are equal, and we can express this mathematically as:
slope_r = slope_s
This relationship between the slopes of parallel lines is important in many applications of mathematics, including geometry, trigonometry, and calculus.
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Kendall washes 10 1/2 windows in 3/4 hours. At this rate, how many windows can she wash in one hour?
Answer:
To find out how many windows Kendall can wash in one hour, we can divide the number of windows washed by the time taken:
Number of windows washed per hour = (Number of windows washed) / (Time taken)
We can first convert the mixed number 10 1/2 to an improper fraction:
10 1/2 = (10 x 2 + 1) / 2 = 21/2
Substituting the given values:
Number of windows washed per hour = (21/2) / (3/4) hours
To divide by a fraction, we can multiply by its reciprocal:
Number of windows washed per hour = (21/2) x (4/3) = 28 windows/hour
Therefore, Kendall can wash 28 windows in one hour at this rate.
Answer:
14 windows
Step-by-step explanation:
All you have to do is a simple equation 10 1/2÷3 which equals 14
Jam World Amusement Park sells special multi-day passes for guests who want to visit the park for more than one day. Their most popular passes are the 3-day pass, which costs $207, and the 7-day pass, which costs $364. How much more does the 3-day pass cost per day than the 7-day pass?
Answer: 17
Step-by-step explanation:
To find much each pass earns per day is to divide the two numbers. $207 divided by 3 is 69 and $364 divided by 7 is 52. Then you subtract 69 and 52 which is 17!
A quantity with an initial value of 3600 decays
exponentially at a rate of 1% every 8 days.
What is the value of the quantity after 7 weeks,
to the nearest hundredth?
To the nearest tenth, the quantity of the amount after [tex]7[/tex] weeks is around [tex]1804.74[/tex].
What does, for instance, amount mean?Quantity simply refers to how much or how many of anything there are. A quantity can also be an amount, a number, or a measurement. It responds to the "how much?" query. Numbers may also be used to understand quantities, such as this book has 55 pages, this container has 'x' quantities of black pens, etc.
What do numbers in amounts mean?Numbers can be used to express quantities, such as 55 pages or reading. Entire numbers, fractions, fractions, percentages, or units of measurement like space, money, length, or weight can all be used to express these values. Quantities may also be stated using uncommon units.
[tex]A_{0} = 3600[/tex]
[tex]r = 0.01[/tex] (since the rate of decay is [tex]1[/tex]%)
[tex]t = 7[/tex] weeks [tex]= 56[/tex] days (since there are [tex]7[/tex] days in a week)
We can first find the value of [tex]e^{-rt}[/tex] as follows:
[tex]e^{-rt} = e^{-0.0187} = 0.5013[/tex]
Substituting into the formula, we have:
[tex]A = 3600 * 0.5013 ≈ 1804.74[/tex]
Therefore, the value of the quantity after [tex]7[/tex] weeks, to the nearest hundredth, is approximately [tex]1804.74[/tex].
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Write the equation to solve for x and find x.
-A
4x + 23
78° 78°
Equation=
X=
10x-1
Given that two of the angles in this triangle are equal and have a measure of 78 degrees and sides 4x + 23, 10x-1 the solution x = -1.15 is a valid solution.
What is the inequality equation?
A solution for an inequality in x is a number such that when we substitute that number for x we have a true statement. So, 4 is a solution for example 1, while 8 is not. The solution set of an inequality is the set of all solutions.
In a triangle, the sum of the measures of the angles is always 180 degrees. Since we are given that two of the angles in this triangle are equal and have a measure of 78 degrees each, the third angle must have a measure of:
180 - 78 - 78 = 24 degrees
Now we can use the Law of Cosines to set up an equation to solve for x. The Law of Cosines states that:
c² = a² + b² - 2abcos(C)
where c is the length of the side opposite angle C, and a and b are the lengths of the other two sides.
We can choose any of the sides to be the side opposite the 24-degree angle, but let's use side 2, which has a length of 10x - 1. Then we have:
(10x - 1)² = (4x + 23)² + (side 3)² - 2(side 3)(4x + 23)cos(78)
Simplifying and solving for side 3, we get:
(side 3)² = (10x - 1)² - (4x + 23)² + 2(10x - 1)(4x + 23)cos(78)
(side 3)² = 36x² + 360x + 840
Taking the square root of both sides, we get:
side 3 = √(36x² + 360x + 840)
Now we can use the fact that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. Therefore, we have:
side 1 + side 2 > side 3
4x + 23 + 10x - 1 > √(36x² + 360x + 840)
14x + 22 > √(36x² + 360x + 840)
Squaring both sides, we get:
196x² + 616x + 484 > 36x² + 360x + 840
Simplifying and rearranging, we get:
160x² + 256x - 356 < 0
We can solve this inequality using the quadratic formula:
x = (-b ± √(b² - 4ac)) / 2a
where a = 160, b = 256, and c = -356.
Plugging in these values, we get:
x = (-256 ± √(256² - 4(160)(-356))) / 2(160)
x = (-256 ± √(124160)) / 320
x = (-256 ± 352) / 320
x = 0.30 or x = -1.15
However, we need to check that these values satisfy the inequality we found earlier:
14x + 22 > √(36x² + 360x + 840)
For x = 0.30, we get:
14(0.30) + 22 > √(36(0.30)² + 360(0.30) + 840)
25.2 > 25.2
This is not true, so x = 0.30 does not work.
For x = -1.15, we get:
14(-1.15) + 22 > √(36(-1.15)² + 360(-1.15) + 840)
3.3 > 3.3
This is true, so x = -1.15 is a valid solution.
Therefore, the solution x = -1.15 is a valid solution.
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Please ASAP Help
Will mark brainlest due at 12:00
Answer:
1
Step-by-step explanation:
we just find the middle of the 2 places