Answer:
P(5) ≈ 0.0537.
Step-by-step explanation:
La fórmula para la distribución binomial es:
P(K) = (n choose k) * p^k * (1-p)^(n-k)
donde "n" es el número de ensayos, "p" es la probabilidad de éxito en cada ensayo, "k" es el número de éxitos y "n choose k" representa el número de formas de obtener k éxitos en n ensayos.
(a) Para n = 5, p = 1/4 y k = 2:
P(2) = (5 choose 2) * (1/4)^2 * (3/4)^3
= 10 * 1/16 * 27/64
= 0.2637
Por lo tanto, P(2) ≈ 0.2637.
(b) Para n = 10, p = 1/2 y k = 7:
P(7) = (10 choose 7) * (1/2)^7 * (1/2)^3
= 120 * 1/128 * 1/8
= 0.0820
Por lo tanto, P(7) ≈ 0.0820.
(c) Para n = 8, p = 2/3 y k = 5:
P(5) = (8 choose 5) * (2/3)^5 * (1/3)^3
= 56 * 32/243 * 1/27
= 0.0537
Por lo tanto, P(5) ≈ 0.0537.
4. Choose one other career to compare with your original choice. Then complete one table for each career.
Expenses wοuld be same and in bοth cases there expenses wοuld exceed, but in career 1 the οver expense wοuld be $500 while in career 2 the οver expense wοuld be $1000.
Define prοfit and lοss?Tο determine whether a cοntract is lucrative οr nοt, the phrases prοfit and lοss are utilised. These wοrds are frequently used in οrdinary cοnversatiοn. If the selling price exceeds the cοst price, the difference between the twο amοunts is knοwn as the prοfit. The difference between the cοst price and the selling price, if the selling price is less than the cοst price, is referred tο as a lοss. A prοduct's cοst price is the cοst at which it is purchased. The selling price οf a thing is the cοst at which it is sοld. In this essay, let's study mοre abοut prοfit and lοss.
Expenses Career Choice 1 Career Choice 2
Monthly income $10,000 $20,000
Rent: 30%* $3,000 $6,000
Utilities: 10%* $1,000 $2,000
Car Insurance: 5%* $500 $1,000
Cell Phone: 10%* $1,000 $2,000
Occasional Spending: 10%* $1,000 $2,000
Savings: 10%* $1,000 $2,000
Food: 15%* $1,500 $3,000
Car Loan: 10% $1,000 $2,000
Entertainment: 5% $500 $1,000
Total: $10,500 $21,000
Thus, after comparing both the careers, we have come to find that expenses would be same and in both cases there expenses would exceed, but in career 1 the over expense would be $500 while in career 2 the over expense would be $1000.
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Can you solve these please?
The answers are:
3 a). 02:25 is time when aircraft arrives
b). The lower bound of the distance is 3150 km
4). The bottle weight is 200 g
Time when aircraft arrive?3 a). Aircraft leaves at 22:35
As per the given,
From 22:35 and takes 3h 50min is 02:25 will time when aircraft arrive
b). Because the distance is corrected to the nearest 100 km
The lower bound of the distance is = 3200 - 100/2
= 3150 km
4). Assume that the container weighs "x" and the honey weighs "y."
We are aware that a 1000 g container of honey weighs in total.
So Equation 1 is x + y = 1000 g
We can calculate the overall weight to be 600g by using half of the honey.
Equation 2: x + (y/2) = 600 g
y/2=600 - x
y= 2 (600 - x)
y= 1200 - 2x
We can replace “y” with 1200 - 2x in Equation 1:
x + 1200 - 2x = 1000
x = 200 g
The container weighs 200 grammes.
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i’ve been struggling for hours and i still can’t figure it out!!! someone please help
Answer:
Step-by-step explanation:
We can use SOH, CAH, TOA to solve this.
sin(55) = 23/x
x = 23/sin(55)
x = 28.08 cm
Step By Step 2 of 2
Keyboard Shortcuts
You were asked to solve the following word problem.
To host an event at a popular convention center, it costs $300
plus $55
per person attending.
Write a rational expression that represents how much you would need to charge each attendee in order to cover the cost of hosting the event. Let x
be the number of attendees.
In the previous step you determined that for x
number of people, the total cost for hosting the event is 300+55x
. Now, adjust the expression to represent what each attendee would need to be charged to cover the total cost.
1. The rational expression representing the charge each attendee will have to pay is 300 + 55x.
2. Each attendee will have to pay $65 in order to cover the total cost.
The solution has been obtained by using arithmetic operations.
What are arithmetic operations?
All real numbers are thought to be adequately explained by the four basic operations, sometimes known as "arithmetic operations." The mathematical operations quotient, product, sum, and difference come after division, multiplication, addition, and subtraction.
1. We are given that it costs $300 plus $55 per person attending to host an event.
Let the number of attendees be x.
We get the expression as 300 + 55x.
2. We are given that 30 people are attending the event.
So, substituting x = 30 in the expression, we get
⇒ Total cost = 300 + (55 * 30)
⇒ Total cost = 300 + 1650
⇒ Total cost = $1950
Now, using the division operation, we get
⇒ Per person charge = 1950 ÷ 30
⇒ Per person charge = $65
Hence, the required solutions have been obtained.
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Question: To host an event at a popular convention center, it costs $300 plus $55 per person attending.
1. Write a rational expression that represents how much you would need to charge each attendee in order to cover the cost of hosting the event. Let x be the number of attendees.
2. In the previous step you determined that for x number of people, the total cost for hosting the event is 300+55x. Now, adjust the expression to represent what each attendee would need to be charged to cover the total cost if 30 people were attending.
To determine the absolute magnitude, M , of a star, we apply the formula m−M=5logd10 − =5log 10, where m is the observed brightness and d is the distance from the star to the sun in parsecsparsecs. What is the distance from the sun to Canopus in parsecsparsecs if the absolute magnitude is −3.1−3.1 and the apparent brightness is −0.72−0.72?
The distance from the sun to Canopus in parsecs is approximately 229.4 parsecs.
Define the term absolute magnitude?Absolute magnitude is a measure of the intrinsic brightness of a celestial object, such as a star or a galaxy, as it would be seen from a standard distance of 10 parsecs (about 32.6 light-years) away. It is defined as the magnitude (brightness) that the object would have if it were located at this standard distance, and it is determined by the object's luminosity, or total amount of energy radiated per unit time.
We are given that the absolute magnitude of Canopus is M = -3.1, and its apparent brightness is m = -0.72. We can use the formula (m - M) = 5log(d/10) to find the distance, d, from the Sun to Canopus in parsecs.
Substituting the given values, we get:
-0.72 - (-3.1) = 5log(d/10)
Simplifying:
2.38 = 5log(d/10)
log(d/10) = 2.38/5 = 0.476
Taking antilogarithm on both sides, we get:
d/10 = 10^(0.476)
d = 10^(0.476) * 10 = 229.4 parsecs
Therefore, the distance from the Sun to Canopus is approximately 229.4 parsecs.
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Work out the following sheet please
The area of the rectangle would be = 4,522.14cm²
The perimeter for the rectangle = 9044.28 cm
How to calculate the perimeter and area of a rectangle?To calculate the area of a rectangle the formula given below is used. Such as;
Area = length× width
Where length= 87.3cm
width = 51.8cm
Area = 87.3×51.8 = 4,522.14cm²
To calculate the perimeter of a rectangle the formula given below is used. Such as;
perimeter = 2 (length× width)
= 2 ( 87.3×51.8)
= 2 (4,522.14)
= 9044.28 cm
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A town in Nebraska had 27,370 residents in the 2020 census. this town has seen growth of 1.8% annually for the last 15 years. If this rate continues, approximately how long will it take for the town to double in size? how many people will we expect the town to have in the 2030 census? Thank you
Answer:
We can expect the town to have a population of approximately 32,413 in the 2030 census if the growth rate remains at 1.8% per year.
Step-by-step explanation:
To calculate how long it will take for the town to double in size, we can use the Rule of 70, which states that the time it takes for a quantity to double is approximately 70 divided by the annual growth rate as a percentage.
So in this case, the annual growth rate is 1.8%, and therefore the doubling time is approximately 70/1.8 = 38.89 years (rounded to two decimal places).
To estimate the population in the 2030 census, we can use the same growth rate of 1.8% per year. Starting with the 2020 population of 27,370, we can use the formula:
Population = Initial population x (1 + growth rate)^number of years
Plugging in the numbers, we get:
Population = 27,370 x (1 + 0.018)^10 = 32,413 (rounded to the nearest whole number)
Therefore, we can expect the town to have a population of approximately 32,413 in the 2030 census if the growth rate remains at 1.8% per year.
C. Use Patterns and Structure What do you notice about the relationship between the combined lengths of the two shorter sides and the length of the longest side? 2 cm 4 cm 10 cm 7 cm 3 cm , 6 cm
Based on the information provided, it can be concluded that the length of the two shorter sides combined is half the length of the longest side.
How long are the longest and the shortest?The longest side, which is the green bar is 10 centimeters long. On the other hand, by adding the two shortest sides (orange bar 3 centimeters + blue bar 2 centimeters) the total length would be 5 centimeters.
What can be concluded about this?Considering the longest side is 10 centimeters and the shortest side is 5 centimeters then the length of the two shorter sides combined is half the length of the longest side.
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From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 651. A random sample of 34 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume o = 1539
The prοbability that the mean gain fοr the sample was between 400 and 800 is apprοximately 0.603.
What is Central Limit Theοrem?The distributiοn οf sample means apprοaches a nοrmal distributiοn with mean equal tο the pοpulatiοn mean and standard deviatiοn equal tο the pοpulatiοn standard deviatiοn divided by the square rοοt οf the sample size.
standard errοr οf the mean = standard deviatiοn / square rοοt οf sample size
[tex]s = 1539 / \sqrt{(34)}\\\\s = 263.8[/tex]
we can standardize the sample mean using the fοrmula:
z = (sample mean - pοpulatiοn mean) / standard errοr οf the mean
z1 = (400 - 651) / 263.8 ≈ -0.953
z2 = (800 - 651) / 263.8 ≈ 0.564
P(-0.953 < z < 0.564) ≈ 0.603
Therefοre, the prοbability that the mean gain fοr the sample was between 400 and 800 is apprοximately 0.603.
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Express Using algebra Z deacresed by 15%
Z decreased by 15% can be expressed as Z x 0.85.
What is expression?Expression in math is a combination of numbers, symbols, and operations that represent a value or a mathematical concept. Expressions can be used to calculate a numerical result, solve equations, and evaluate logical statements. Expressions can also be used to express abstract ideas and concepts.
Mathematically, this is written as Z x (1 - 0.15).
This expression shows that Z is multiplied by a number that is less than 1, which results in a decrease.
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Z decreased by 15% can be expressed as Z x 0.85.
What is expression?Expression in math is a combination of numbers, symbols, and operations that represent a value or a mathematical concept. Expressions can be used to calculate a numerical result, solve equations, and evaluate logical statements. Expressions can also be used to express abstract ideas and concepts.
Mathematically, this is written as Z x (1 - 0.15).
This expression shows that Z is multiplied by a number that is less than 1, which results in a decrease.
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complete questions as follows-
Express Using algebra Z deacresed by 15%. show your all work.
Part IV: According to the tax table below, how much would Melvin and Sylvia
pay in federal income taxes if filing jointly?
Based on the information in the graph, we can infer that the tax that Melvin and Sylvia must pay if they pay federal income taxes when filling it out together would be 11,631.
How to identify the value of federal income taxes for Melvin and Sylvia?To identify the value of the federal income taxes we must take into account how much money the income of the two of them is. In this case, on the left side, they indicate that they are $77,000.
So, once we know the income we must look at the right side of the graph. In this case we must look for the value that matches the row that says "Married filling jointly" and the value of income (77,000). According to the above, these values coincide in the box that says 11,631.
From the above, we can infer that the tax they must pay would be 11,631
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A jar of dimes and quarters contains $2.55. There are 15 coins in all. How many of each coin are there? (Show Steps)
In linear equation, $38.25 are each coin are there .
What in mathematics is a linear equation?
An algebraic equation with simply a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.
Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.
A jar of dimes and quarters = $2.55
There are 15 coins in all.
total coins = $2.55 * 15
= $38.25
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If a line has a slope of 2 and contains the point (-2,1) what is its equation in point-slope form?
Answer:
y - 1 = 2(x + 2)
Step-by-step explanation:
Point-slope form is y - y₁ = m(x - x₁)
y - 1 = 2(x - -2)
=> y - 1 = 2(x + 2)
What is the probability that a randomly selected point will be inside the larger square but outside the smaller square?
P(inside larger square and outside smaller) = [tex]\dfrac{16}{100}[/tex]
Explanation:Probability is the result of the division of the number of possible outcome by the number of an event.
In the question, for a point chosen, the point can be in the small square only or in the area or region between the small square and the big square as such,
Area of larger square = area of region between both squares + area of smaller square
Where the area of a square is S × S where S is the side of a square
Area of larger square = 5 × 5
= 25 cm square
Area of smaller square = 3 × 3
= 9 cm square
Area of the region between both squares
= 25 - 9
= 16 cm square
The probability that a dot selected is inside the larger square and outside the smaller is
P(inside larger square and outside smaller) = Area of region between both square/ Area of larger square
P(inside larger square and outside smaller) = [tex]\dfrac{16}{100}[/tex]
Solve for x. Round to the nearest tenth, if necessary.
Based on the information provided, the value of x in this triangle will be 0.9646 if solved by this letter.
What equation would illustrate this situation?In this case, we are required to calculate the base of the triangle by using the angle provided 16° and the length of the hypotenuse which is 3.5. Based on this, a possible equation considering the law of the sinuses would be:
Sin 16° = x/3.5
Now using this equation, let's solve it by x to find the x value:
x = Sin 16° × 3.5
x = 0.2756 × 3.5
x = 0.9646
This means that the value of x is 0.9646
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Mason made a cardboard house at school. The lower part of the house is a rectangular prism and the upper part a triangular prism. Find the volume of the house.
Answer: 275,400
Step-by-step explanation:
- First we do 18 multiplied by 20 which would get us the answer of 360
- Next we do 45 multiplied by 17 which would get us the answer of 765
- Now we multiply both 360 and 765 and get the answer of 275,400
Adam bought a TV and paid it in four payments. His first payment was of the total price. His second payment was of the remaining amount. His third payment was $20 more than the first payment. His last payment was $120. Which equation represents the total cost of the TV?
The equation that represents the total cost of the TV is Option B: 1/4x + 1/3 × 3/4x + 1/4x + 20 + 120 = x.
What is an equation?
A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").
Let's represent the total cost of the TV with the variable x.
According to the problem, Adam's first payment was 1/4 of the total price, so he still owed 3/4 of the price.
His second payment was 1/3 of the remaining amount, which is 1/3 × 3/4x = 1/4x, leaving him with 3/4x - 1/4x = 1/2x to pay.
His third payment was $20 more than the first payment, so it was 1/4x + 20, leaving him with 1/2x - (1/4x + 20) = 1/4x - 20 to pay.
Finally, his last payment was $120, so the remaining amount he owed was 1/4x - 20 - 120 = 1/4x - 140.
Adding up all of these payments, we get -
1/4x + 1/4x + 20 + 1/4x - 140 + 120 = x
Simplifying this equation, we get -
3/4x = 100
Multiplying both sides by 4/3, we get -
x = 400/3
Therefore, the equation is obtained as 1/4x + 1/3 × 3/4x + 1/4x + 20 + 120 = x.
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Adam bought a TV and paid it in four payments. His first payment was 1/4 of the total price. His second payment was 1/3 of the remaining amount. His third payment was $20 more than the first payment. His last payment was $120. Which equation represents the total cost of the TV?
a. 1/4x + 1/3x + 20 + 120 = x
b. 1/4x + 1/3 × 3/4x + 1/4x + 20 + 120 = x
c. 1/4x + 1/3 × 1/4x + 20 + 120 = x
d. 1/4x + 1/3x + 20 = 120
10(-b+3b-5)-8b Help please
Monique wants to have $500,000 in 30 years by investing in an account that earns 7.8%
interest compounded half-yearly. Use the TVM calculator to find how much she needs to
invest today.
O $52,529.97
O $34,987
O $45,546
O $50,354.37
Monique needs to invest $50,354.37 today to have $500,000 in 30 years at an annual interest rate of 7.8% compounded half-yearly. Option D
How to calculate how much Monique needs to investWe can use the formula for future value of an annuity to solve this problem:
FV = P * [(1 + r/n)^(n*t) - 1]/(r/n)
Where:
FV = future value (desired amount) = $500,000
P = the amount invested today
r = annual interest rate = 7.8%
n = number of compounding periods per year = 2 (half-yearly)
t = number of years = 30
Substituting the values:
$500,000 = P * [(1 + 0.078/2)^(2*30) - 1]/(0.078/2)
Solving for P using a financial calculator or an online TVM calculator, we get:
P = $50,354.37
Therefore, Monique needs to invest $50,354.37 today to have $500,000 in 30 years at an annual interest rate of 7.8% compounded half-yearly.
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A carpet is to be laid in a room with length 7.5 m and breadth 3cm less than the lenght. Find the area of the carpet
The area of the carpet for a room with length 7.5 m and breadth 3 cm less than the length is 562.275m².
What is the area?The area refers to the two-dimensional space of occupied by an object.
The area is computed as the number of unit squares that cover the surface of a closed figure or object.
We measure area in square units like cm² and m².
The area is the squared product of the length and breadth or width.
1m = 100cm
Length = 7.5m
Breadth = 7.5m - 3 cm
= 7.5m - 0.03m
=74.97m
Area = Length x Breadth
= 7.5 x 74.97
= 562.275m²
Thus, the carpet should be 562.275m² in area.
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What is the range of y= x/8-x
Therefore, the range of the function is all real numbers except for 0. In interval notation, this can be written as (-∞, 0) U (0, ∞).
What is function?In mathematics, a function is a relation between two sets, where each element in the first set (called the domain) is associated with exactly one element in the second set (called the range). Formally, a function f from a set A to a set B is a rule that assigns to each element a in A a unique element b in B, denoted by f(a). The set A is called the domain of the function, and the set B is called the range.
Here,
The given function is y = x/(8-x).
To find the range of this function, we need to determine the possible values of y for all possible values of x.
First, we note that the function is undefined when the denominator (8-x) equals zero. Therefore, x cannot be equal to 8.
Next, we consider the behavior of the function as x approaches positive infinity and negative infinity.
As x approaches positive infinity, the value of y approaches zero. This is because the x term in the numerator grows much more slowly than the 8-x term in the denominator, causing the overall value of the function to approach zero.
As x approaches negative infinity, the value of y approaches negative infinity. This is because the x term in the numerator becomes very negative while the 8-x term in the denominator approaches 8, causing the overall value of the function to become very negative.
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Use Venn Diagrams in the error detection process to find when a “word” has been
transmitted incorrectly.
For the Venn Diagram with the code 0000, the 7-bit Hamming code extended is 0011000.
What is a Venn Diagram?
In order to solve problems based on the sets, we can use a Venn diagram to depict the logical relationship between sets and their components. Although other closed figures like squares may be used, a Venn diagram commonly uses intersecting and non-intersecting circles to indicate the relationship between sets.
To extend the four-bit code word "0000" to a seven-bit Hamming code word, we need to add three parity bits to the code word.
These parity bits are calculated based on the positions of the 1's in the code word.
To determine which subset of the Venn Diagram to put each parity bit in, we can use the following rules -
Parity bit 1 covers all bit positions that have an odd index (i.e., 1, 3, 5, 7, etc.).
Parity bit 2 covers all bit positions that have a "2" bit in their binary representation (i.e., 2, 3, 6, 7, etc.).
Parity bit 3 covers all bit positions that have a "4" bit in their binary representation (i.e., 4, 5, 6, 7, etc.).
Using these rules, we can fill in the Venn Diagram as follows -
Subset 1: 0 (bit position 1)
Subset 2: 00 (bit positions 2, 3)
Subset 3: 000 (bit positions 4, 5, 6)
Subset 4: 0000 (bit positions 7, 8, 9, 10)
Parity bit 1: 1 (covers bit positions 1, 3, 5, 7, 9, 11, 13)
Parity bit 2: 1 (covers bit positions 2, 3, 6, 7, 10, 11, 14)
Parity bit 3: 0 (covers bit positions 4, 5, 6, 7, 12, 13, 14)
So, the seven-bit Hamming code word that extends the four-bit code word "0000" is -
0011000
The first three bits (001) represent Subset 3, which contains the original code word "0000".
The next three bits (100) are the parity bits, and the last bit (0) represents Subset 4.
Therefore, the 7-bit code is obtained as 0011000.
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Use linear regression to find the equation for the linear function that best fits this data. Round both numbers to two decimal places. Write your final answer in a form of an equation y = mx + b
x 1 2 3 4 5 6
y 71 86 107 132 144 156
An equation for the linear function that best fits this data is equal to y = 17.83x + 53.6.
How to find an equation of the line of best fit for the data?In order to determine a linear equation for the line of best fit (trend line) that models the data points contained in the table, we would have to use a graphing calculator (scatter plot).
In this scenario, the x-values would be plotted on the x-axis of the scatter plot while the y-values would be plotted on the y-axis of the scatter plot.
From the scatter plot (see attachment) which models the relationship between the x-values and y-values, a linear equation for the line of best fit and correlation coefficient are as follows:
Equation: y = 17.83x + 53.6
Correlation coefficient, r = 0.9926.
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←
Starting with a 40-foot-long stone wall, a
farmer would like to construct a rectangular
enclosure by adding 200 feet of fencing, as
shown in the figure to the right. Find the
values of x and w that result in the greatest
possible area.
X=
W=
The largest conceivable rectangular enclosure has dimensions of x = 40 feet, w = 40 feet, and area = 1600 square feet.
Assume the rectangular enclosure has dimensions of x feet in length and w feet in width.
The needed length of fence is 40 feet for the stone wall, plus 2 feet for each of the two ends and sides, for a total of 6 feet. This results in:
[tex]40 + 2w + 2x = 200[/tex]
Using a simplified formula and x in terms of w, we get at:
[tex]x = 80 - w[/tex]
A = xw, which has the following textual form, determines the area of the rectangular enclosure:
Solving for w:
w = 40
When we enter this value of w in place of x in the equation, we obtain:
[tex]x = 80 - w = 40[/tex]
As a result, the rectangular enclosure with the largest available area is 40 feet long and 40 feet wide. This enclosure's area is:
1600 square feet are equal to [tex]A = x*w = 40 * 40[/tex]
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Write an equation that expresses the following relationship.
d varies directly with the square of w
In your equation, use k as the constant of proportionality.
The relationship "d varies directly with the square of w" can be expressed mathematically as: d = k w² where k is the constant of proportionality.
What is equation?An equation is a mathematical statement that shows the equality of two expressions, usually with an equal sign "=" in between them. An equation can contain variables, constants, and operators. The variables are represented by letters and can take on different values, while constants are fixed values that do not change. Operators include mathematical symbols like plus, minus, multiplication, and division, as well as exponents and logarithms.
Here,
This equation states that d is directly proportional to the square of w, meaning that if we double w, d will be four times larger (2² = 4). The constant of proportionality, k, depends on the specific situation and values of d and w. It can be determined by measuring d and w for a given situation, and then solving for k using the equation above.
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assessment_id=_282918_1&course_id= 120645_1&content_id= 7910222_18question num 3.x=0 t
Two-way communication
Flexible, few rules
Generalized shared tasks
Question 3
Organizational design has two factors-mechanistic and organic Which of the following characteristics fits with the mechanistic factor?
Formal rules
Question 3 of 5
2 points
4
After answering the presented question, we can conclude that Yes, equation formal rules is a characteristic that fits with the mechanistic factor in organizational design.
What is equation?In mathematics, an equation is a proposition that states the equivalence of two expressions. An equation consists of two sides separated by a system of equations (=). For instance, the statement "2x + 3 = 9" states that the word "2x Plus 3" equals the integer "9". The goal of solving equations is to find the value or amounts of the variable in the model) that will permit the calculation to be accurate. Mathematics can be simple or complex, linear or nonlinear, and contain one or more parts. For example, in the equation "x2 + 2x - 3 = 0," the variable x is raised to the power of 2. Lines are used in many areas of mathematics, including algebra, arithmetic, and geometry.
Yes, formal rules is a characteristic that fits with the mechanistic factor in organizational design.
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Americas shelled out60 billion for 196 million barrels of cola in 1998,generating 29 billion retail profit. Discriptive or inferential
Answer:
Step-by-step explanation:
Descriptive as the information provided is factual and there is no inferences made using the data provided.
two pairs of hikers leave the same camp heading in opposite divections. Each travels 2 miles, then changes direction and travels 1.2 miles. The first pair starts due east and then turns 50° toward north. The second pair starts due west and then turns 40° toward south. Which pair is farther from camp? Explain your reasoning.
Answer:
As a result, the first pair of hikers is around 0.15 miles further away from camp than the second pair.
Step-by-step explanation:
Let's designate "x" for the distance travelled directly east or west and "y" for the distance directly north or south. Then, using the method below, determine how far each pair of hikers is from camp:
Distance is equal to sqrt(2xy*cos(angle) - xy + yy).
where "angle" is the angle at which the hikers veer away from their original path.
The first group of hikers includes:
Distance is equal to sqrt(((2cos(50°) + 1.2sin(50°))).
(1.2cos(50°) + 2 sin(50°))
(1.2sin(50°) + 2cos(50°)) = 2 - 2*
(1.25*cos(50°) + 1.2*cos(50°)*cos(130°))
approximately 2.53 miles.
The second group of hikers includes:
Distance is equal to sqrt(((2cos(40°) + 1.2sin(40°))).
-2sin(40°) + 1.2cos(40°) = 2
(1.2sin(40°) + 2cos(40°)) = 2 - 2*
(-2sin(40°) plus 1.2*cos(40°)*cos(140°))
about 2.38 miles.
As a result, the first pair of hikers is around 0.15 miles further away from camp than the second pair.
The net of a rectangular prism.
What is the surface area in square inches of the figure shown in the net
The answer of the given question based on finding the surface area of a rectangular prism the answer is ,60 square inches.
What is a Prism?A prism is polyhedron with two parallel, congruent faces called the bases, which are typically polygons, and rectangular sides connecting corresponding sides of bases.
To find the surface area of the rectangular prism shown in the net, we need to find the area of each of its six faces and then add them together.
Looking at the net, we can see that the rectangular prism has three pairs of identical faces. The dimensions of the rectangular prism are given by the labels on the net as follows:
The length of the rectangular prism is 6 inches (labeled L on the net).
The width of the rectangular prism is 3 inches (labeled W on the net).
The height of the rectangular prism is 2 inches (labeled H on the net).
The six faces of the rectangular prism and their areas are:
Front face: 3 x 2 = 6 square inches
Back face: 3 x 2 = 6 square inches
Top face: 6 x 2 = 12 square inches
Bottom face: 6 x 2 = 12 square inches
Left face: 6 x 2 = 12 square inches
Right face: 6 x 2 = 12 square inches
To find the total surface area, we add the areas of all six faces:
Total surface area = 6 + 6 + 12 + 12 + 12 + 12 = 60 square inches
Therefore, the surface area of the rectangular prism shown in the net is 60 square inches.
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Write the statement “Given any two numbers x, y, there is a third number w between them” using symbolic logic form and quantifiers.
The statement "Given any two numbers x, y, there is a third number w between them" can be expressed using symbolic logic and quantifiers as follows:
∀x∀y∃w (w is between x and y)
Here, the universal quantifier ∀x∀y indicates that the statement is true for any two numbers x and y. The existential quantifier ∃w indicates that there exists a third number w that is between x and y.
What other names exist for symbolic logic?the examination of the links between statements that are used to express precise mathematical concepts. Formal logic is another name for symbolic logic.
Given any two digits x, y, there exists a third integer w between them. This proposition can be expressed in symbolic logic as follows:
∀x∀y(x<y → ∃w(x<w<y))
Where ∀x means "for all x", ∀y means "for all y", → means "implies", ∃w means "there exists a w", and (x<y → ∃w(x<w<y)) means "if x is less than y, then there exists a w such that w is between x and y".
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The statement can be expressed using symbοlic lοgic and quantifiers as in ∀x∀y∃w (w is between x and y)
What οther names exist fοr symbοlic lοgic?The examinatiοn οf the links between statements that are used tο express precise mathematical cοncepts. Fοrmal lοgic is anοther name fοr symbοlic lοgic.
Given any twο digits x, y, there exists a third integer w between them. This prοpοsitiοn can be expressed in symbοlic lοgic as fοllοws:
∀x∀y(x<y → ∃w(x<w<y))
Where ∀x means "fοr all x", ∀y means "fοr all y", → means "implies", ∃w means "there exists a w", and (x<y → ∃w(x<w<y)) means "if x is less than y, then there exists a w such that w is between x and y".
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