Solve the motion problem.Jim can run 5 miles per hour on level ground on a still day. One windy day, he runs 15 miles with the wind, and in the same amount of time runs 7 miles against the wind. What is the rate of the wind? (Round your answer to the nearest tenth, if necessary.)
A. 4 miles per hour
B. 13.8 miles per hour
C. 5 miles per hour
D. 1.8 miles per hour
Answer: D
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Evaluate the spherical coordinate integral.
A. 
?(15? - 16)
B. 
?(15? - 16)
C. 
?(15? - 8)
D. 
?(15? - 8)
Add.(
uv2 + 
u5v2 - 8.6) + (- 
uv2 - 
u5v2 + 12.1)
A. (
uv2 - 
u5v2 + 3.5)
B. (- 
uv2 + 3.5)
C. (
uv2 - 
u5v2 + 3.5)
D. (
uv2 - 
u5v2 + 3.5)
Solve the problem.A vineyard produces two special wines, a white and a red. A bottle of the white wine requires 14 pounds of grapes and 1 hour of processing time. A bottle of red wine requires 25 pounds of grapes and 2 hours of processing time. The vineyard has on hand 2,198 pounds of grapes and can allot 160 hours of processing time to the production of these wines. A bottle of the white wine sells for $11.00, while a bottle of the red wine sells for $20.00. How many bottles of each type should the vineyard produce in order to maximize gross sales?
A. 132 bottles of white, 14 bottles of red B. 42 bottles of white, 59 bottles of red C. 14 bottles of white, 132 bottles of red D. 76 bottles of white, 42 bottles of red
Solve the problem.A retail store buys 175 VCRs from a distributor at a cost of $235 each plus an overhead charge of $45 per order. The retail markup is 40% on the total price paid. Find the profit on the sale of one VCR.
A. $93.90 B. $94.10 C. $94.00 D. $9410.00