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sineoko [7]
3 years ago
7

I need help me need to match i am getting confuse.

Mathematics
1 answer:
gregori [183]3 years ago
7 0

Answer:

1 A= pi 21^2

2 C=pi 21

3 A= pi 10.5^2

4 C= 2pi 10.5

Step-by-step explanation:

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Systems of equations in two variables with applications <br><br> -2x+7y=2<br> 3x-5y=-14
forsale [732]
Onne way is to eliminate terms
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3x-5y=-14
multiply first equation by 3 and second equaiton by 2
-6x+21y=6
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<u>6x-10y=-28  +</u>
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y=-2
subsitute
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multiply -1
x=-8



x=-8
y=-2
in (x,y) form
(-8,-2)

3 0
4 years ago
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