Answer:
x=84
Step-by-step explanation:
We know that the angles in a triangle are equal to 180.
39+57+x=180
96+x=180
x=84
Answer:
3x - 4
Step-by-step explanation:
-9x + 12
divide by -3
3x + (-4)
3x - 4
-9 ÷ -3 = 3
12 ÷ -3 = -4
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Area of a Trapezoid can be defined by:
A =

just substitute given information

8.1 = .75(b₁ + 6.7)
8.1 = .75b₁ + 5.025
8.1 - 5.025 = .75b₁
3.075 = .75b₁

4.1 = b₁
the other base is equal to 4.1
Answer:
p > -2
Step-by-step explanation:
5 + p > 3
p > 3 -5
p > -2
Answer:
9/34
Step-by-step explanation:
P(QnR) = P(Q) * P(R)
= 12/17 * 3/8
= 9/34