Solve the problem.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 84 seconds are required to make a 3-by-7 enlargement, find the time required for a 6-by-8 enlargement.
A. 288 sec
B. 144 sec
C. 240 sec
D. 192 sec
Answer: D
Mathematics
You might also like to view...
Find the angle between the given vectors to the nearest tenth of a degree.v = 2i, w = j
A. 0° B. 90° C. 270° D. 180°
Mathematics
Provide an appropriate response. Name the triangle whose sides measure 18 cm, 22 cm, and 18 cm.
A. scalene B. right C. isosceles D. equilateral
Mathematics
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Using the critical-path algorithm to schedule this project with five processors results in a finishing time of
A. 24 hours. B. 20 hours. C. 21 hours. D. 22 hours. E. none of these
Mathematics
Provide an appropriate response.Investing in stocks is guaranteed to make a profit for the buyer.
A. True B. False
Mathematics