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3 years ago

I need the answer for (y 7)4 8-5y

Mathematics

1 answer:

Neko [114]3 years ago

8 0

Answer is:
= 48y7 - 5y.

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What is 4+b=30

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k is 12
f is 50

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3 years ago

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3 years ago

How to solve 3.5x = 14.7

Anna [14]

Answer:

×=4.2

Step-by-step explanation:

3.5x=14.7

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3 years ago

Read 2 more answers

What is the standard error of a sampling distribution with a population standard deviation of 12 and the sample size of 81?

Marizza181 [45]

Answer: d. 1.3333

Step-by-step explanation:

We know that the standard error of a sampling distribution is given by :-

$S.E.=\dfrac{\sigma}{\sqrt{n}}$

, where $\sigma$ = Population standard deviation.

n= Sample size.

AS per given , we have

$\sigma =12$

n=81

Then, the standard error of a sampling distribution with a population standard deviation of 12 and the sample size of 81 will be :-

$S.E.=\dfrac{12}{\sqrt{81}}$

$=\dfrac{12}{\sqrt{9^2}}=\dfrac{12}{9}\\\\=\dfrac{4}{3}\\\\\approx1.3333$

Hence, the standard error of a sampling distribution with a population standard deviation of 12 and the sample size of 81 is 1.3333.

Thus the correct answer is d. 1.3333 .

6 0

3 years ago