3 years ago

Given that the circumference is 15.7 meters, find

Mathematics

1 answer:

Sav [38]3 years ago

8 0

Answer:

A = 19.6

Step-by-step explanation:

A = C² / 4π

C² = 246.49

4π = 12.56

246.49 / 12.56 = 19.625

Rounded to the nearest tenth = 19.6

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Symbol for taken away

daser333 [38]

Hi there!

In math terms, when we think of the words "Taken away", we immediately think of subtraction/subtracting. So, the symbol that you're looking for looks sort of like a dash.

- is what it looks like.

Hope this helps!

Message me if you need anything else! I'd be happy to help you! :D

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The width of a rectangle is 9 cm. The perimeter is 40 cm. What is the length of the rectangle?

Keith_Richards [23]

Answer:

Step-by-step explanation:

2(l+w)

40= 2(9+x)

40= 18+2x

Subtract 18 from 40

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Divide 2x by itself and 22

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Answer:

The answer is incorrect; the plus sign should be a minus sign (apex)

Step-by-step explanation:

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Simplify the expression 10-4x(6+5-1) divided by 8+7

Eddi Din [679]

Simple,

writing out the problem...

$\frac{10-4x(6+5-1)}{15}$

Simplify it...

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Making it look like...

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Cancel out the common factors...

Thus making the answer:

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Equivalent ratios of 7/6

Monica [59]

- 14/12
- 21/18
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