Solve the problem.Jake has a cable that is 93.8 feet long. He wants to cut it into pieces that are 6.7 feet long. How many 6.7-foot pieces will he get from the cable?
A. 14 pieces
B. 15 pieces
C. 13 pieces
D. 140 pieces
Answer: A
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A hypothesis test is to be performed. State the null and alternative hypotheses.Carter Motor Company claims that its new sedan, the Libra, will average better than 32 miles per gallon, which is the gas mileage of its competitor.
A. Null hypothesis: mean gas mileage > 23 mpg Alternative hypothesis: mean gas mileage = 23 mpg B. Null hypothesis: mean gas mileage < 23 mpg Alternative hypothesis: mean gas mileage > 23 mpg C. Null hypothesis: mean gas mileage = 23 mpg Alternative hypothesis: mean gas mileage ? 23 mpg D. Null hypothesis: mean gas mileage = 23 mpg Alternative hypothesis: mean gas mileage > 23 mpg
Solve.A boat sailed a distance of 20 kilometers due south. It then banked to the left and sailed the second leg of the journey. Finally, it banked left again and sailed back to the starting point. The entire course was shaped like a right triangle with the 20-kilometer distance serving as the hypotenuse. The second leg of the journey was 8 kilometers longer than the final leg. How long were the second and third legs of the journey? Round your answers to the nearest hundredth of a kilometer, if necessary.
A. The second leg was 9.35 kilometers. The third leg was 5.35 kilometers. B. The second leg was 18.70 kilometers. The third leg was 10.70 kilometers. C. The second leg was 17.56 kilometers. The third leg was 9.56 kilometers. D. The second leg was 21.56 kilometers. The third leg was 5.56 kilometers.
Solve the problem.On a gambling trip to Las Vegas, Anthony doubled his bet each time he won. If his first winning bet was $3 and he won six consecutive bets, find how much he won on the sixth bet. Find the total amount he won on these six bets.
A. $96; $189 B. $48; $93 C. $192; $381 D. $192; $189
The pictograph below shows the number of television sets sold during the year by each salesperson in a certain company. Use this information to answer the question.
What percent of the total number of T.V.'s did (a) salesperson #1 and salesperson #5 together sell?(b) salesperson #1 and salesperson #2 together sell?
A.
| (a) 15% | (b) 30.5% |
B.
| (a) 15% | (b) 30% |
C.
| (a) 20% | (b) 27.5% |
D.
| (a) 20.5% | (b) 30% |