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Nesterboy [21]
4 years ago
13

What number must you add to complete the square? X2+8x=-3 A. 8 B. 16 C. 4 D. 64

Mathematics
2 answers:
GREYUIT [131]4 years ago
4 0

Answer:

I think it is 16

mihalych1998 [28]4 years ago
3 0
The answer is most likely b)16
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avanturin [10]

Answer:

Step-by-step explanation:

1. 56 + 81 = 137

2. The exterior angle theorem means that the 2 angles within a triangle that is on the opposite side of the angle outside the triangle could be added to find the angle that is outside of the triangle.

3. 56 and 81 are on the opposite side of the "x" outside the triangle which means that they could be added together which equals 137 degrees.

Hope this helps!

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