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adell [148]
3 years ago
5

Find the area of the semicircle .

Mathematics
1 answer:
bija089 [108]3 years ago
7 0
Area of semicircle formula :
1/2 x pi x radius x radius

so ,
1/2 x pi x 6 x 6
= 56.5486678....
≈ 56.55 ( 2 decimal place )
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I've included two questions. Hopefully you can help me with both. Thanks!
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Answer:

  1.  value is 0; x-3 is a factor . . . . . . . . . . . . . .third choice

  2.  evaluates at x = -1; remainder is -11 . . . . first choice

Step-by-step explanation:

Dividing f(x) by (x -a) gives ...

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If we multiply this expression by (x -a), we see ...

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so

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If r=0, then x-a is a factor of f(x) = (x-a)g(x).

___

1. We have "a" = 3, and f(3) = 0. Therefore (x-3) is a factor.

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2. We have "a" = -1, and f(-1) = -11. Therefore the remainder from division by (x+1) is -11.

6 0
3 years ago
Can someone please help i dont understand
Sloan [31]

Answer:

x = 12

Step-by-step explanation:

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3x - 17 = 19

3x = 36

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