Answer:
684 ft^2
Step-by-step explanation:
You can find the area of the middle rectangle by using:
You can find the area of a triangle by using:
Triangle 1: A=90
Triangle 2: A=72
2(72+90)+360
324+360
684
Huilan is 6 years older than Thomas. The sum of their ages is 84. What is Thomas’s age?
1 answer:
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Answer:
k =
Step-by-step explanation:
Expand.
11k - 8 = 11 + 8k + 72
Simplify 11 + 8k + 72 to 8k + 83.
11k - 8 = 8k + 83
Add 8 to both sides.
11k + 8k + 83 + 8
Simplify 8k + 83 + 8 to 8k + 91.
11k = 8k + 91
Subtract 8k from both sides.
11k - 8k = 91
Simplify 11k - 8k to 3k.
3k = 91
Divide both sides by 3.
k =