Use a calculator to solve the equation on the interval 0 ? ? < 2?. Round the answer to two decimal places.cos ? = -0.93
A. {0.38, 3.52}
B. {2.77, 3.52}
C. {0.38, 2.76}
D. {2.77, 5.91}
Answer: B
Mathematics
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Solve the absolute value equation.
- 8 = 4
A. x = - 
, 
B. x = - 
C. x = 
, - 
D. x = - 
Mathematics
Solve the inequality graphically. Express the solution in set-builder notation.-9x - 3 ? -10x + 5
A. {
x < -9}
B. {
x ? 8}
C. {
x > -9}
D. {
x ? 8}
Mathematics
Solve.The time t required to empty a tank varies inversely as the pumping rate r. A pump can empty a tank in 70 minutes at the rate of 700 kiloliters per minute. How long will it take the pump to empty the tank at the rate of 1500 kiloliters per minute? Round your answer to the nearest tenth.
A. 32.7 min B. 1.5 min C. 150.0 min D. 37.5 min
Mathematics
Multiply.(x + 5)(x - 9)
A. x2 - 5x - 45 B. x2 - 4x - 5 C. x2 - 45x - 4 D. x2 - 4x - 45
Mathematics