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3 years ago

57 is 95% of what number

Mathematics

2 answers:

IRISSAK [1]3 years ago

4 0

60 ur your answer I have to have a lot of characters

Olegator [25]3 years ago

4 0

The answer is 60
I attached a picture of how to do it

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Mrs miller sells a hoouse for 179000 if she earns a commission of 6%, how much money does she earn?

Ivenika [448]

$10740

This is because that amount multiplied times .06 is equal to the answer. <span />

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4 years ago

You're trying to enlarge an image that is 4 centimeters tall and 10 centimeters wide onto a billboard that is 3 meters tall and

Norma-Jean [14]

The height scale is 75

Step-by-step explanation:

The height scale is the ratio between the height of the final image and the height of the original image.

In this problem, we have:

$y = 4 cm$ (height of the original image)

Converted into meters,

$y=0.04 m$

$y'=3 m$ (height of the enlarged image)

Therefore, the height scale is given by the following ratio:

$r=\frac{3 m}{0.04 m}=75$

So, the height scale is 75.

Learn more about scales:

brainly.com/question/570757

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4 0

4 years ago

(x+3)(x)(x+2) =1540<br><br>what is x

sdas [7]

Answer:

its and symobol of an number or letter

5 0

3 years ago

Read 2 more answers

Seth bought a 12 ounce jar of peanut butter for $ 3.60. What is the unit price?

svetlana [45]

Answer:

Step-by-step explanation:

7 0

3 years ago

The manager of a pizza chain in Albuquerque, New Mexico, wants to determine the average size of their advertised 20-inch pizzas.

7nadin3 [17]

Answer:

The sample must be of at least 48 pizzas.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.9}{2} = 0.05$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.05 = 0.95$ , so $z = 1.645$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

How large a sample must she take if she wants the margin of error to be under 0.5 inch?

She needs a sample of at least n, in which is found when $M = 0.5, \sigma = 2.1$

$M = z*\frac{\sigma}{\sqrt{n}}$

$0.5 = 1.645*\frac{2.1}{\sqrt{n}}$

$0.5\sqrt{n} = 2.1*1.645$

$\sqrt{n} = \frac{2.1*1.645}{0.5}$

$(\sqrt{n})^{2} = (\frac{2.1*1.645}{0.5})^{2}$

$n = 47.73$

Rounding up

The sample must be of at least 48 pizzas.

3 0

3 years ago