Solve.If you are traveling 63 miles per hour on a highway in Canada, how fast are you traveling in kilometers per hour? (Use k = 1.61r, where r = rate in miles per hour and k = rate in kilometers per hour.)
A. 101.4 km/hr
B. 39.1 km/hr
C. 95.1 km/hr
D. 64.6 km/hr
Answer: A
Mathematics
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Solve the problem.Suppose that y is directly proportional to x and that y = 3.5 when x = 7. Find the constant of proportionality k. Then, find y when x = 14.
A. k = 0.5; y = 7
B. k = 0.5; y = 5.6
C. k = 1.5; y = 5.6
D. k = 24.5; y =
Mathematics
Find the exact function value.sin-1
A.
B. -
C. -
D. -
Mathematics
Find the area of a sector of a circle having radius r and central angle ?. If necessary, express the answer to the nearest tenth.r = 19.0 m, ? = 20°
A. 0.6 m2 B. 63.0 m2 C. 3.3 m2 D. 126.0 m2
Mathematics
Find the difference.- -
A. 1
B. -
C. -1
D. -
Mathematics