Find the indicated part of the right triangle.One leg is 21.12, and the hypotenuse is 35.5. Find the larger acute angle. Round your answer to the nearest tenth.
A. 63.5°
B. 36.5°
C. 53.5°
D. 50.7°
Answer: C
Mathematics
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Give an appropriate answer.Let
f(x) = 5 and
g(x) = -8. Find
[f(x) - g(x)].
A. -3 B. 13 C. 9 D. 5
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Solve the problem.A variable resistor R and an 8-? resistor in parallel have a combined resistance RT given by 
If R is changing at 
find the rate at which RT is changing when 
A. 0.30 ?/min B. 0.018 ?/min C. 1.7 ?/min D. 0.15 ?/min
Mathematics
Subtract and simplify. Write the answer as a mixed number if possible.11
- 
A. 11
B. 9
C. 10
D. 10
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Find the domain of the given function.f(x) = 
A. (-?, ?) B. (-?, 3] C. (-?, 0) ? [3, ?) D. (-?, 3) ? (3, ?)
Mathematics