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Answer:
C. 150
Step-by-step explanation:
The given angle and angle x are supplementary. This means that when added together they add to 180. So, to solve you can set up an algebraic equation like 180=x+30. Then, subtract 30 from both sides to get 150=x.
Since the first number is 1, it will remain 1 at the end. So we have to find the bottom number to the power of four.
This can be simplified to equal
Which equals to 16. So we know the final equation will be equal to
1/16
Answer:
28.26
Step-by-step explanation:
For this, we can simply use the pi times r squared because we have the radius.
simplify pi to 3.14, so we can do 3.14 times 3 squared.
we get 9x 3.14, which is 28.26.
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