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svp [43]
1 year ago
15

Find the circumference of a circle whose area is equal to 64π^2​

Mathematics
1 answer:
PilotLPTM [1.2K]1 year ago
7 0

Answer:

14 6/7 is the circumference

Step-by-step explanation:

you first of all look for the radius using the formulae multiply both sides by the reciprocal of 22/7

7/22 ×22/7r=64×7/22=224/11{2 4/11)

2 4/11 is the radius

cir =2×22/7×2 4/11

2×22/7× 26/11=104/7

==== =14 6/7

all i can do but am not sure sorry

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Hi again!

I think I already answered this question - right ?

Ok whatever - the answer and the steps are still in my head~

x^3 - 4x² + 2x + 10 = x² - 5x - 3
Again, same thing
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4 0
3 years ago
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MaRussiya [10]

Answer:

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Let's do part of the work of solving the given system:

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Multiply the first equation by 2 so as to make the coefficient of y = to 4:

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------------------------

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Note that these results are precisely the same as the equations in Answer Choice a.

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