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cestrela7 [59]
3 years ago
14

Find the height of a triangle with an area of A of 56 square inches and a base (b) of 8 inches use the formula for the area of a

triangle A=1/2 bh
224
14
3.5
896

Mathematics
1 answer:
levacccp [35]3 years ago
5 0

the height is 14 square inches

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Given:

The functions are

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To find:

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Solution:

We know that,

(f+g)(x)=f(x)+g(x)

(f+g)(x)=4x^2+7x-5-9x^2+4x-13

(f+g)(x)=(4x^2-9x^2)+(7x+4x)+(-5-13)

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And,

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(f+g)(x)=4x^2+7x-5+9x^2-4x+13

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Therefore, the required functions are (f+g)(x)=-5x^2+11x-18

and (f-g)(x)=13x^2+3x+8.

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