F number please help me​

Mia delivers newspapers at a rate of 140 papers per hour.

The correct answer is C.

To determine Mia's delivery rate, we need to calculate the number of newspapers she delivers per hour.

Mia takes \(\frac{5}{7}\) hours to deliver \(\frac{100}{1}\) newspapers.

We can convert the given fraction of time to hours by multiplying the numerator by 1 hour:

\(\frac{5}{7}\) hours = \((\frac{5}{7} )\times1\) hour

= \(\frac{5}{7}\) hour

Now, we can calculate Mia's delivery rate per hour by dividing the number of newspapers she delivers (100/1) by the time it takes her to deliver them (\(\frac{5}{7}\) hour):

Delivery rate = \(\frac{(\frac{100}{1} )}{\frac{5}{7}}\)

= \((\frac{100}{1} )\times(\frac{7}{5} )\)

= \(\frac{700}{5}\)

= \(140\)

Therefore, Mia delivers newspapers at a rate of 140 papers per hour.

The correct answer is C.

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The point where the two ladders cross is approximately 9.9 feet from the ground.

To solve this problem, we can use the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides.

In this case, the two walls and the ground form a right triangle, with the two ladders as the other two sides. Let's call the height at which the two ladders cross "x". Then we can set up two equations:

x^2 + 15^2 = 25^2

x^2 + 15^2 = 18^2

Solving these equations, we get x = 9.899, which we can round to 9.9 feet. Therefore, the point where the two ladders cross is approximately 9.9 feet from the ground.

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Answer: The price of each small box is $4.8  and the price of each large box is $10.8.

Step-by-step explanation:

Let x = Price of each small box, y= price of each large box.

As per given,

3x+2y= 36  ...(i)

4x+y= 30  ...(ii)

Multiplying 2 to (ii), we get

8x+2y =60...(iii)

Subtract (i) from (iii), we get

5x= 24

x= 4.8

From (ii)

4(4.8)+y= 30

19.2+y=30

y= 10.8

Hence, the price of each small box is $4.8  and the price of each large box is $10.8.

Answer:

13f

6p+6

14+6j (provided the last symbol is = and not +)

Step-by-step explanation:

the thought is to add like terms

the coefficients the have unknowns (f, p and j) are added together then the constants are added together taking into account the signs

(4+10-1)f = 13f

likewise with the others

Answer:

2 6/30 and 1 25/30

Step-by-step explanation:

First, you need to find 30÷5 and 30÷6. You do this because you need to know the multiplier when you create an equivalent fraction. 30÷5 is 6 and 30÷6 is 5. 2 1/5. You need to multiply the 1 and 5 by 6, that is 2 6/30. 1 5/6. 5 and 6 multiplied by 5 is 25 and 30. 1 5/6=1 25/30

To reduce the third-order ordinary differential equation y - y" - 4y + 4y = 0 into a companion system of linear equations, we introduce new variables u and v:

Let u = y,

v = y',

w = y".

Taking the derivatives of u, v, and w with respect to the independent variable (let's denote it as x), we have:

du/dx = y' = v,

dv/dx = y" = w,

dw/dx = y"'.

Now we can rewrite the given differential equation in terms of u, v, and w:

u - w - 4u + 4u = 0.

Simplifying the equation, we get:

-3u - w = 0.

This equation can be expressed as a system of first-order linear differential equations as follows:

du/dx = v,

dv/dx = w,

dw/dx = -3u - w.

Now we have a companion system of linear equations:

du/dx = v,

dv/dx = w,

dw/dx = -3u - w.

To solve this system completely, we need to find the solutions for u, v, and w. By solving the system of differential equations, we can obtain the solutions for u(x), v(x), and w(x), which will correspond to the solutions for y(x), y'(x), and y"(x), respectively.

The exact solutions for this system of differential equations depend on the initial conditions or boundary conditions that are given. By applying appropriate initial conditions, we can determine the specific solution to the system.

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The very low likelihood that there will be 45 or more people in the sample who have consumed alcoholic beverages.

a) The number of people in the sample expected to have consumed alcoholic beverages can be calculated as follows:First, we multiply the number of individuals in the sample by the proportion of people in that age group who drink alcohol.50 x 0.697 = 34.85Thus, we anticipate that about 34.85 people in the sample will have consumed alcoholic beverages.b) No, 45 or more accounts for six different events -- this wouldn't be surprising, you would not be surprised if the sample contained 45 or more people who have consumed alcoholic beverages. This is because it falls within the margin of error.c) To calculate the probability that 45 or more people in this sample have consumed alcoholic beverages, we will need to compute the z-score first.We use the following formula to calculate the z-score:$$z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$$Where, x = 45μ = 0.697 x 50 = 34.85σ = √[(50 x 0.697 x 0.303)] = 3.77n = 50After plugging the values into the formula, we have:$$z=\frac{45-34.85}{\frac{3.77}{\sqrt{50}}}$$ = 3.89Since we are trying to determine the probability of having 45 or more people who have consumed alcoholic beverages, we will calculate the probability of having a z-score greater than or equal to 3.89.Instead of looking up the z-score in the z-table, we can use a calculator to determine the probability. From a standard normal distribution, the calculator provides the following output:P(Z ≥ 3.89) = 0.0000317Rounded to four decimal places, the probability is approximately 0.0000. Therefore, there is a very low likelihood that there will be 45 or more people in the sample who have consumed alcoholic beverages.

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The equation of the given information is y(x) = 5x+10

An equation is an expression that shows the relationship between two or more numbers and variables.

A mathematical equation is a statement with two equal sides and an equal sign in between.

Given that cost of renting for different numbers of hours.

The initial cost, regardless of time, is; $10. then the cost will increase at a rate of $5 per hour that the boat is rented.

Therefore, the cost (y) of renting a paddle boat for 'x' hours is:

y(x) = 5x+10

here linear relationship between x and y, where 5 is the slope of the equation, 10 is the y-intercept, the number of hours is the independent variable, and the cost is the dependent variable.

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Answer  I agree

Step-by-step explanation:

23x17=391

Answer:

I agree with him, 23*17 is 391

Unintentional introduction of non-native species through improper disposal of bullfrog tadpoles, leading to ecological impacts. This is an example of a potential ecological problem caused by human behavior.

Dumping bullfrog tadpoles into a lake or river where they do not naturally occur can have negative consequences for the local ecosystem.

Disruption of native species: Bullfrog tadpoles are not native to all areas, and introducing them into ecosystems where they don't naturally occur can disrupt the balance of native species. They may outcompete and prey upon native aquatic organisms, leading to declines in native populations and potential loss of biodiversity.

Predatory behavior: Bullfrog tadpoles are known to be voracious eaters and can consume a variety of small aquatic organisms, including fish eggs, invertebrates, and even other tadpoles. This can disrupt the food chain and negatively impact the populations of native species.

Altered habitat: Bullfrog tadpoles have the potential to alter the physical characteristics of their environment. Their feeding and burrowing activities can modify the structure of aquatic vegetation, disrupt sediment, and affect water quality. This alteration can impact the habitat and resources available to native species.

Disease transmission: Bullfrogs can carry and transmit diseases that may be harmful to other amphibians or wildlife present in the ecosystem. Introducing bullfrog tadpoles into a new environment increases the risk of introducing and spreading these diseases among native species.

Overall, the practice of dumping bullfrog tadpoles into non-native ecosystems can have significant ecological consequences. It is important to be aware of and respect the natural balance of ecosystems and avoid introducing non-native species that can disrupt or harm native flora and fauna.

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Answer:

5000-4000=1000

Step-by-step explanation:

you subtract to get your answer

If we take a random sample of 603 women-owned businesses, we can be 90% confident that the estimated proportion of businesses providing health insurance will be within 3 percentage points of the true population proportion.

To determine the sample size needed to estimate a population proportion with a specified margin of error, we can use the formula:

n = (\(z^2\) * p * (1-p)) /\(E^2\)

where:

n = sample size

z = z-score for the desired confidence level (1.645 for 90% confidence)

p = estimated population proportion (0.676 in this case)

E = margin of error (0.03 or 3 percentage points)

Substituting the given values, we get:

\(n = (1.645^2 * 0.676 * (1-0.676)) / 0.03^2\)

n = 602.36

Rounding up to the nearest integer, we get a required sample size of 603. Therefore, if we take a random sample of 603 women-owned businesses, we can be 90% confident that the estimated proportion of businesses providing health insurance will be within 3 percentage points of the true population proportion.

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Answer:

2

Step-by-step explanation:

eliminator of what's possible

Answer:

It would be a isosceles

Step-by-step explanation:

Answer: 26, 21, 16, 11, 6, 1 (You're going up by 5 each time)

Step-by-step explanation: Good luck! :D

The code that creates a function that will return the product of two integers is given below:

#include <iostream>

using namespace std;

/* Your code goes here */

int main() {

  int input1, input2;

  int result;

  cin >> input1;

 cin >> input2;

  result = ComputeVal(input1, input2);

  cout << result << endl;

  return 0;

}

In mathematics, whole numbers and negative numbers are grouped together as integers. Integers, like whole numbers, do not include the fractional portion.

Integers can therefore be defined as numbers that can be positive, negative, or zero but not as fractions. On integers, we can carry out all mathematical operations, including addition, subtraction, multiplication, and division.

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Answer:

10 + 8 + 2 = 20 feet apart

A standard normal random variable (Z) has a mean of 0 and a standard deviation of 1. The probability of Z being greater than 0 is equal to the area under the normal curve to the right of 0, which is exactly half of the total area under the curve (since the curve is symmetric around the mean of 0). Therefore, P(Z>0) is equal to 0.5.

A standard normal random variable, like Z in your question, follows a standard normal distribution, which is a special type of normal distribution with a mean of 0 and a standard deviation of 1. Now, you're asked to find the probability P(Z > 0).

Since the standard normal distribution is symmetrical around the mean (0), the probability of Z being greater than 0 is equal to the probability of Z being less than 0. In other words, half of the distribution is on the right side of the mean, and the other half is on the left side.

Therefore, P(Z > 0) = 0.5, which is your answer.

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Explanation:

To add the numbers, we need to locate the decimal point under the decimal point. So, the sum will be equal to:

Then,

Answer:

The answer is C: 13/99

Step-by-step explanation:

To find the answer, you can simply look at all of the multiple choice answers and start dividing the numerator by the denominator. When you find the answer choice that has a quotient of 0.13131313131313, you will know your right answer.

y = 2x - 5

x y

-2 2(-2) - 5 = -9

-1 2(-1) - 5 = -7

0 2(0) - 5 = -5

1 2(1) - 5 = -3

The height of the cylinder is 10.81 cm and the radius of the cylinder is 5.41 cm

The volume of the cylinder can = 1000 cubic cm

Consider the height of the cylinder as h and the radius of the base is r

Volume of the cylinder = π\(r^2\)h = 1000

h = 1000 / π\(r^2\)

The surface area of the cylinder

A = 2π\(r^2\) + 2πrh

A = 2π\(r^2\) + 2πr(1000 / π\(r^2\) )

A = 2π ( \(r^2\) + 1000 / π\(r^2\))

Differentiate the terms

A' =  2π (2r + 1000 / π\(r^3\))

When the minimum surface area

2π (2r + 1000 / π\(r^3\)) = 0

r = \((1000/2\pi )^\frac{1}{3}\)

r = 5.41 cm

Then,

h =  1000 / π\(r^2\)

= 1000 / (π × 5.41 × 5.41)

= 1000 / 91.94

= 10.87 cm

Hence, the height of the cylinder is 10.81 cm and the radius of the cylinder is 5.41 cm

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Answer: $ 46.50

First divided 31 by 2

Which equals...

15.50

Then add 15.50 to 31.

46.50

The answer is $46.50

a) Straight Line: The Excel function used for the straight-line method is "SLN." b) Double Declining Balance: The Excel function used for the double declining balance method is "DDB." c) Sum of Years Digits: The Excel function used for the sum of years digits method is a combination of "SYD" and other mathematical functions. d) Variable Declining Balance: The Excel function used for the variable declining balance method may vary depending on the specific calculation required.

a) Straight Line: The straight-line method calculates depreciation by dividing the asset's cost by its useful life. In Excel, the "SLN" function is used, which takes three arguments: cost, salvage value, and useful life. The formula is "=SLN(cost, salvage, life)."

b) Double Declining Balance: The double declining balance method applies a constant depreciation rate to the asset's book value. In Excel, the "DDB" function is used, which takes five arguments: cost, salvage value, useful life, period, and factor. The formula is "=DDB(cost, salvage, life, period, [factor])."

c) Sum of Years Digits: The sum of years digits method calculates depreciation by assigning weights to each year based on the asset's useful life. In Excel, the "SYD" function is used, which takes four arguments: cost, salvage value, useful life, and period. The formula is "=SYD(cost, salvage, life, period)."

d) Variable Declining Balance: The variable declining balance method calculates depreciation using a varying depreciation rate based on the asset's expected usage or production levels. The Excel function to be used may depend on the specific calculation or formula required for the variable declining balance method.

Conclusion:

Excel provides specific functions to facilitate the calculations for different depreciation methods. The "SLN" function is used for straight-line depreciation, "DDB" function for double declining balance, and "SYD" function for sum of years digits method. These functions simplify the calculations by taking relevant arguments and producing accurate results. However, for the variable declining balance method, the specific Excel function may vary depending on the formula or calculation required. By utilizing the appropriate Excel functions, depreciation calculations can be performed efficiently and accurately within the chosen depreciation method.

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Answer:

7

Explanation:

The cardinality of a set is the number of elements in the set

Given the set W = {x | x is a day of the week}

The days of the week are {Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday}

Hence the set W will be;

W = {Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday}

n(W) = 7 (since there are 7 days in a week)

Hence the cardinality of the set W is 7

the probability of you win for the first time on the third trial is 8.1%

What is probability?

By simply dividing the favorable number of possibilities by the entire number of possible outcomes, the probability of an occurrence can be determined using the probability formula. Because the favorable number of outcomes can never exceed the entire number of outcomes, the chance of an event occurring might range from 0 to 1.

the probability of winning at a certain gambling game is 0.1.

p=0.1

p(x) = (1-p)² *p

= 0.81*0.1

= 0.081

Hence the probability of you win for the first time on the third trial is 8.1%

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Answer:I think the answer is x=27

Step-by-step explanation:

To solve the cash flow diagram and determine the factors and NPV, we have the following information:

V1 = $2,000.0 (Initial cash inflow)

V2 = $3,679.1 (Cash inflow at year 5)

D = $305.4 (Cash outflow at year 5)

A = $287.5 (Annual cash inflow)

g = 2.7% per year (Growth rate)

i = 6% (Discount rate)

Let's calculate the factors for each cash flow using the X, i, and N format:

Factor for V1: X = V1

               i = 6%

               N = 0 (Year 0)

               FV = V1

Factor for V2: X = V2

               i = 6%

               N = 5 (Year 5)

               FV = V2

Factor for D:  X = -D

              i = 6%

              N = 5 (Year 5)

              FV = -D

Factor for A:  X = A

              i = 6%

              N = 1, 2, 3, 4 (Years 1 to 4)

              FV = A * (1 + g)^N

Now, let's calculate the future value (FV) for the annual cash inflow using the growth rate:

FV = A * (1 + g)^N

FV = $287.5 * (1 + 2.7%)^1 + $287.5 * (1 + 2.7%)^2 + $287.5 * (1 + 2.7%)^3 + $287.5 * (1 + 2.7%)^4

Once we have the factors and the FV for each cash flow, we can calculate the Net Present Value (NPV) using the formula:

NPV = (Factor for V1 * FV for V1) + (Factor for V2 * FV for V2) + (Factor for D * FV for D) + (Factor for A * FV for A)

By substituting the respective factors and FV values into the NPV formula, we can calculate the NPV of the cash flow diagram.

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The range of the annual incomes is $18,000.

The arithmetic mean income is $129,600.

The population variance is $40,240, and the standard deviation is $6,344.

(a) The range is calculated by subtracting the lowest value from the highest value:
$140,000 - $122,000 = $18,000
Range: $18,000

(b) The arithmetic mean income is calculated by adding up all the incomes and dividing by the number of incomes:
($125,000 + $128,000 + $122,000 + $133,000 + $140,000) / 5 = $129,600
Arithmetic mean income: $129,600

(c) The population variance is calculated by taking the sum of the squared differences between each income and the mean income, and dividing by the number of incomes:
[($125,000 - $129,600)^2 + ($128,000 - $129,600)^2 + ($122,000 - $129,600)^2 + ($133,000 - $129,600)^2 + ($140,000 - $129,600)^2] / 5 = $40,240
Population variance: $40,240
The standard deviation is the square root of the population variance:  √$40,240 = $6,344
Standard deviation: $6,344

(a) The range of the annual incomes is $18,000.

(b) The arithmetic mean income is $129,600.

(c) The population variance is $40,240, and the standard deviation is $6,344.

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The answer is C. A mechanic claims that at least 62% of car owners do not follow a normal maintenance schedule.

: In hypothesis testing, the null hypothesis is the statement that there is no significant difference between the observed data and the expected results. The alternative hypothesis is the statement that there is a significant difference between the observed data and the expected results. In this case, the null hypothesis is that p < 0.62, which means that fewer than 62% of car owners do not follow a normal maintenance schedule. The alternative hypothesis is p > 0.62, which means that more than 62% of car owners do not follow a normal maintenance schedule.
Therefore, the correct answer is C because the mechanic is claiming that at least 62% of car owners do not follow a normal maintenance schedule, which supports the alternative hypothesis of p > 0.62.

This is answer because it explains the concept of null and null hypotheses and how they relate to the given question.

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