Solve.The sum of a number and 6 times its reciprocal is -5. Find the number(s).
A. -2 or -3
B. -4 or 1
C. 2 or 3
D. -2
Answer: A
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A. 16, 15 B. 8, 7 C. 7, 8 D. 15, 16
Find the volume.Find the volume of a hemisphere with radius 5.0 yd. Use 3.14 for ?. Round to the nearest thousandth, if necessary.
A. 147.188 yd3 B. 2093.333 yd3 C. 261.667 yd3 D. 52.333 yd3
Solve.A rectangular plot of land measures 90 feet by 140 feet. Find its area.
A. 12,600 sq ft B. 1260 sq ft C. 230 sq ft D. 460 sq ft
Solve the problem.A change in the weather can affect the movement of the glacial ice. Recently, the ice was recorded as moving 13 mcsec faster than in a previous recording. Express in seconds the change in time.
A. 0.000013 sec B. 0.0013 sec C. 0.00013 sec D. 0.0000013 sec