Answer:
5.13
Step-by-step explanation:
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Area of a Triangle Formula:
A=(1/2)base*height
A=54
base=12
Fill in
54=(1/2)*12*h
Solve for h
Answer:
69 is your answer
Step-by-step explanation:
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(4x2 - 2x) - (-5x2 - 8x)
= 4x2 - 2x + 5x2 + 8x.
= 4x2 + 5x2 - 2x + 8x.
= 9x2 + 6x.
= 3x(3x + 2).
Answer: 3x(3x + 2)