77/5=99/x
77x=5*99
77x=495
x=495/77
x=6.4
she needs to study 6.4 hrs to get 99
Answer:
x=55°
Step-by-step explanation:
Add angles together and set to 180°. Solve for x.
The answer is 4 + 3i
It is the only one there with a
or i
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Answer:
58.678
Step-by-step explanation:
Just make the answer reach 3 numbers after the decimal point.