What is 100% of the mass ?


By the power rule,

(this seems to be the step you're not getting?)

The next step is to pull out a common factor of
from the antiderivative:

so that the final result is

Cosα=x/L
L=x/cosα, we are told that the ladder base is 48 ft from the base of the wall and α=39° so:
L=48/cos39 ft
L≈61.76 ft (to nearest hundredth of a foot)
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I believe the answer is:
93 degrees. You were correct. The interior angles all add up to 360, so you subtract each given angle to find the missing angle.
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-Belle
Answer:
x =9
Step-by-step explanation:
-5x = -45
Divide both sides by -5:
x = 9