2 years ago

Given the function (Image below) [Algebra ll]

Mathematics

1 answer:

Irina18 [472]2 years ago

7 0

X= -1 and -11
Put -1 and -11 in for x. The answer comes out 6

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I don't know how to solve this. How would I solve this? Thanks!!!!

Afina-wow [57]

Answer:

x = 11 units

Step-by-step explanation:

Area of triangle = (base + base 2) * h *1/2

so (7 + x )* 7 * 1/2 = 63

63 x 2 = 126

126 / 7 = 18

18-7 = x

x = 11

Check

(7+11)* 7 * 1/2

18* 7 = 126

126 x 0.5 = 63

CORRECT!

(p.s., tell me if wrong :P)

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