Use the indicated property to provide a new expression equal to the given expression. Simplify, if possible.10 + (-10); inverse
A. 100
B. -20
C. 0
D. 20
Answer: C
Mathematics
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Solve the problem.Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 10 in. and 
= 20 lb
A. 12.68 ft-lb B. 200 ft-lb C. 7.04 ft-lb D. 15.11 ft-lb
Mathematics
For the given polar equation, write an equivalent rectangular equation. r2sin 2? = 42
A. y = 21x
B. y = 
C. y = 
D. y = 42x2
Mathematics
Solve the problem. Round to the nearest tenth, if necessary.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole?
A. 8.3 yd B. 27.5 yd C. 137.5 yd D. 16.6 yd
Mathematics
Provide an appropriate response.What polynomial, when divided by -12ax6, yields -7ax5 - 5x4 + 9 as a quotient?
A. 84ax5 + 60x4 - 108 B. 84a2x11 - 5x4 + 9 C. 84a2x11 + 60ax10 - 108ax6 D. 84a2x11 + 60ax10
Mathematics