Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 4 and x = 4. The cross sections perpendicular to the x-axis are semicircles whose diameters run from 
to 
A. 
?
B. 
?
C. 
?
D. 
?
Answer: D
Mathematics
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A. 36 cm2
B. 162 cm2
C. 18 cm2
D.
| 81 cm2 |
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In electronics the unit of watts is found by multiplying the current, in amperes, by the voltage, in volts. Find the power of a circuit with a current of 0.00125 amperes and a voltage of 2.876 volts. Round to the proper degree of accuracy.
What will be an ideal response?
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Find the LCD. Do not combine fractions.
, 
A. 20xy3 B. 20xy C. 20x4y3 D. 20x4y2
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Determine how many of the first 5 statements in the sequence obtainable from the given statement are true.2n + 1 < n2
A. 4 B. 2 C. 3 D. 5
Mathematics