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Veseljchak [2.6K]

3 years ago

14

√(6+x-x²)=9 I have to put this just to submit it.

1 answer:

Sergio [31]3 years ago

4 0

We know that it must equal 9, and that we do x•x-x+6 and find the square root

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Penny is the manager of a nursery for pre-school children.

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If anyone can answer my question please help :)

Yuki888 [10]

Since they are similar you need to start by making ratios for each pentagon.
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___ = ____

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3 years ago

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Estimate the percent of each number. 47% of 77

Anettt [7]

ANSWER

36 .19

EXPLANATION

We want to estimate

$47\% \: of \: 77$

This is the same as

$\frac{47}{100} \times 77$

or

$\frac{47}{100} \times \frac{77}{1}$

We multiply the numerators to get,

$\frac{3619}{100}$

We convert to decimals to get

$36.19$

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3 years ago

A group of students formed a circle during a game.

Nadya [2.5K]

Answer and Step-by-step explanation:

C = circumference = 43.96

d = diameter = 14

C = $\pi d$

Divide both sides by d.

$\frac{C}{d} = \pi$

$\frac{43.96}{14}$ = $\pi$

3.14 $= \pi$

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3 years ago