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4 years ago

How do you solve 3,4,and 5?

Mathematics

2 answers:

vodomira [7]4 years ago

4 0

3. Is number of tables times 5 so 2*5

So answer would be 10 15 20 25

Aleksandr [31]4 years ago

4 0

On 2 is 10 on 3 is 15 on four is 20 and five is 25

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Find each function value. f(9) if f(x)=5x-16

andriy [413]

If f(x) = 5x - 16, then value of f(9) is 29

<em><u>Solution:</u></em>

Given function is f(x) = 5x - 16

We are asked to find the value of f(9)

To find the value of f(9), we have to substitute x = 9 in given function and solve the function

Therefore, substitute x = 9

f(x) = 5x - 16

f(9) = 5(9) - 16

Multiply 5 with 9 which gives 45

f(9) = 45 - 16

Subtract 16 from 45

f(9) = 29

Thus value of f(9) is 29

6 0

3 years ago

What is the length of one side of a square that has an area of 961 square feet? What is the perimeter?

charle [14.2K]

Answer:

a = square root of (961)

a = 31 m

6 0

3 years ago

Find the perimeter of a rectangle whose dimensions are 15 inch times 8 inches

strojnjashka [21]

The perimeter of the rectangle is 120

5 0

3 years ago

Read 2 more answers

The graph of an absolute value function opens down and has a vertex of (0, -3). The domain of the function is . The range of the

Firdavs [7]

Answer:

Domain: All real numbers

Range: $y\leq -3$

Step-by-step explanation:

The domain is the set of all x values. The quadratic equation continue to operate over all x-values in both directions. The domain is all real numbers.

The range is the set of all y-values. Here the quadratic begins at -3 and continues in a downward direction forever. Then range is $y\leq -3$

6 0

4 years ago

Police response time to an emergency call is the difference between the time the call is first received by the dispatcher and th

andrew11 [14]

Answer:

a) 0.7683 = 76.83% probability that a randomly selected emergency call is between 5 and 10 minutes.

b) 0.0606 = 6.06% probability that a randomly received emergency call is of less than 5 min.

c) 0.1711 = 17.11% probability that a randomly received emergency call is of more than 10 min.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 8.1 minutes and a standard deviation of 2.0 minutes.

This means that $\mu = 8.1, \sigma = 2$

a. between 5 and 10 min

This is the p-value of Z when X = 10 subtracted by the p-value of Z when X = 5.

X = 10

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{10 - 8.1}{2}$

$Z = 0.95$

$Z = 0.95$ has a p-value of 0.8289

X = 5

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{5 - 8.1}{2}$

$Z = -1.55$

$Z = -1.55$ has a p-value of 0.0606

0.8289 - 0.0606 = 0.7683

0.7683 = 76.83% probability that a randomly selected emergency call is between 5 and 10 minutes.

b. less than 5 min

p-value of Z when X = 5, which, found from item a, is of 0.0606

0.0606 = 6.06% probability that a randomly received emergency call is of less than 5 min.

c. more than 10 min

1 subtracted by the p-value of Z when X = 10, which, from item a, is of 0.8289

1 - 0.8289 = 0.1711

0.1711 = 17.11% probability that a randomly received emergency call is of more than 10 min.

7 0

3 years ago