From the following choices, the correct step in evaluating: ∫ cos2 5x dx is 1 - cos 10x / 2dx.
Answer: -25
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There are no factors of 20 that add up to 7.
Factors of 20 are:
1*20
2*10
4*5
Answer:
$1.35
Step-by-step explanation:
8n = 10.80
Divide both sides by 8 to get n alone.
n = 10.80/8 = $1.35
