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erica [24]
3 years ago
9

9x²+bx+100 as a perfect square​

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
3 0

Step-by-step explanation:

9x²+bx+ 100

(3x)²+ bx + 10²

(3x)² + 10² + bx

(3x)² + 10² + bx

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(45/360)2πr=9π/4
Lyrx [107]

Answer:

r=9

Step-by-step explanation:

45/360=1/8

1/8*2=2/8

2/8=1/4

1/4*pi*r=(9pi)/4

Divide both sides by 1/4 (the fours cancel each other out)

Pi*r=9*pi

Pi cancels each other out

R=9

Hope this helps

7 0
3 years ago
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geniusboy [140]

Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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