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3 years ago

0.2 is what percent of 16?

Mathematics

1 answer:

Oksana_A [137]3 years ago

4 0

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Rocky thinks of an odd integer adds the next two consecutive integer which of these could be the sum

tekilochka [14]

Answer:

Step-by-step explanation:

1. Let x be the odd integer. Let y be the sum.

x + (x + 1) + (x + 2) = y

3x + 3 = y

Adding two consecutive integers to an odd integer will result in an even integer.

So, you can eliminate choices B and D since they are odd.

Lastly, plug in choices A and C for y and choose the answer that makes x an integer.

Choice C would give you the correct result.

3x + 3 = 44562

3x = 44559

x = 14853

5 0

2 years ago

Write a decimal for >1.45 to make the comparison true

Softa [21]

Answer:

> this sign means greater than so any number that is greater than 1.45 would work.

2.34 or 1.47, any number above 1.45 will be an excellent answer

Hope this helps ;)

5 0

2 years ago

The perimeter of a rectangle is 8x+10.if the length is 2x+8 what is the width?

leonid [27]

Answer:

6x+2

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Question is down below thanks

Sidana [21]

Answer:

Step-by-step explanation:

A linear equation is in the form of: $y=mx+b$ , where m is the slope and b is the y-intercept.

m is the slope and it's given, which is -6

b is the y-intercept and it's given, which is 9

When we plug in to the form we get:

$y=-6x+9$

8 0

2 years ago

A random sample of 200 people was taken. 90 of the people in the sample favored Candidate A. We are interested in determining wh

mafiozo [28]

Answer:

a. 1.44

Step-by-step explanation:

We are interested in determining whether or not the proportion of the population in favor of Candidate A is significantly more than 40%.

At the null hypothesis, it is tested if the proportion is of at most 40%, that is:

$H_0: p \leq 0.4$

At the alternative hypothesis, it is tested if the proportion is of more than 40%, that is:

$H_1: p > 0.4$

The test statistic is:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

0.4 is tested at the null hypothesis:

This means that $p = 0.4, \sigma = \sqrt{0.4*0.6}$

A random sample of 200 people was taken. 90 of the people in the sample favored Candidate A.

This means that:

$n = 200, X = \frac{90}{200} = 0.45$

Value of the test statistic:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{0.45 - 0.4}{\frac{\sqrt{0.4*0.6}}{\sqrt{200}}}$

$z = 1.44$

Thus the correct answer is given by option a.

8 0

2 years ago