3 years ago

Express .000879 as a percent

Mathematics

1 answer:

never [62]3 years ago

7 0

Answer:

0.0879% would be the correct answer.

Step-by-step explanation:

You would take .000879 and multiply it by 100

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A. 45 miles per gallon of gas
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14. Michelle simplified an expression for the perimeter of the rectangle below and got X + 35.

Zigmanuir [339]

Answer:

The correct expression for the perimeter is $P=(\frac{5}{3}x+70)\ units$

see the explanation

Step-by-step explanation:

The complete question in the attached figure

Let

L ----> the length of rectangle

W ---> the width of rectangle

we know that

The perimeter of rectangle is equal to

$P=2(L+W)$

In this problem we have

$L=(\frac{5}{6}x+23)\ units$

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substitute the values

$P=2(\frac{5}{6}x+23+12)$

$P=2(\frac{5}{6}x+35)$

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Simplify

$P=(\frac{5}{3}x+70)\ units$

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Answer:

B. y = -2x + 2

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If f(x) = 9x + 1, find f–1 (f (3))

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I hope this helps you

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A company believes that it controls more than 30% of the total market share for one of its products. To prove this belief, a ran

stiv31 [10]

Answer: 1.24

Step-by-step explanation:

Let p be the population proportion of the total market share for one of its products.

As per given , we have

p=0.30

Sample size : n= 144

Sample proportion : $\hat{p}=\dfrac{50}{144}=0.347222222222\approx0.3472$

Formula for z-value :-

$z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

i.e. $z=\dfrac{0.3472-0.30}{\sqrt{\dfrac{0.30(1-0.30)}{144}}}$

Simplify ,

. $z=1.2359861303\approx1.24$

Hence, the observed z value would be <u>1.24</u> .

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