Answer: The value of x in this figure is 43
Step-by-step explanation:
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Rule: If x-k is a factor of p(x), then p(k) = 0. This is a special case of the remainder theorem.
Using that rule, we can see that x+5 is really x-(-5) so k = -5.
Therefore,
p(k) = 0
p(-5) = 0
so the answer is choice D.
Answer:
perimeter=80 area=252
Step-by-step explanation:
The perimeter is the total length of the boundary of the shape added together: 12+20+12+8+20+8=80
The area is the value of the space inside the shape: the rectangle would be 20*9=180 plus the two triangles: (8*9)/2 = 36 180+72=252
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