Colton earns $7 per hour plus $1.50 for each pizza delivery. The expression 7h+1.50d can be used to find the total earnings afte
1 answer:
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Answer:
201.45 cm²
Step-by-step explanation:
The whole circle has an area of π(9)² cm², or 81π cm². The shaded part represents all of the circle except for the chunk swept out by sector XZ.
Sector XZ sweeps out 75°, which represents 75/360 of the whole circle, or, simplified, 15/72. That means the shaded area must represent the other 57/72. To find the area then, we can just multiply that fraction by 81π:
Using π ≈ 3.14 and crunching the numbers out gives us a result of approximately 201.45 cm².
Answer:
Step-by-step explanation:
Given , substitute what is in the parentheses for
to find an output.
For , the term
is in the parentheses. Thus, substitute
into
to find
: