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AnnyKZ [126]
3 years ago
14

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

6 0
3 years ago
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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:

11

Step-by-step explanation:

2(l+w)

40= 2(9+x)

40= 18+2x

Subtract 18 from 40

22=2x

Divide 2x by itself and 22

11=x or x=11

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4 years ago
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When asked to factor the trinomial x^2-16x+64, a student gives the answer (x – 8)(x + 8). Which of the following statements is t
Murrr4er [49]

Answer:

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

Step-by-step explanation:

3 0
4 years ago
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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...

-4x(6+5-1)

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Making it look like...

\frac{10-40x}{15}

Cancel out the common factors...

Thus making the answer:

- \frac{2(4x-1)}{3}.

8 0
3 years ago
Equivalent ratios of 7/6
Monica [59]
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