The velocity of a car was read from its speedometer at ten-second intervals and recorded in the table. Use the Midpoint Rule to estimate the distance traveled by the car.
1.2 miles
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Translate the problem to a system of equations, then solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1200 liters per hour. What is the flow in each pipe?
A. 600 liters/hr hot, 400 liters/hr cold B. 400 liters/hr hot, 600 liters/hr cold C. 720 liters/hr hot, 480 liters/hr cold D. 480 liters/hr hot, 720 liters/hr cold
Use the addition rule to solve the problem.A spinner has regions numbered 1 through 15. What is the probability that the spinner will stop on an even number or a multiple of 3?
A. 
B. 
C. 
D. 12
Solve the problem.If cos A = 
and 
, where 
and 
, then find sin(A - B).
A. - 
B. - 
C. - 
D. - 
Solve the problem.The number of television sets produced on an assembly line varies jointly as the number of employees working on the line and the number of hours they work. If 40 workers produce 90 televisions in 3 hours, how many televisions can be produced by 118 employees working for 6 hours? Round your answer to the nearest number of televisions.
A. 534 B. 531 C. 538 D. 526