Add the integers.-2 + 4
A. -2
B. -6
C. 2
D. 6
Answer: C
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Solve.A 52-kg skateboarder on a 1-kg board starts coasting on level ground at 5 m/sec. Let k = 3.2 kg/sec. How long will it take the skater's speed to drop to 1 m/sec?
A. 0.50 sec B. 26.66 sec C. -26.66 sec D. 26.15 sec
Calculate the derivative of the function. Then find the value of the derivative as specified.g(x) = x3 + 5x; g '(1)
A. g '(x) = 3x2 + 5x; g '(1) = 8 B. g '(x) = 3x2; g '(1) = 3 C. g '(x) = 3x2 + 5; g '(1) = 8 D. g '(x) = x2 + 5; g '(1) = 6
Rewrite each number using scientific notation before performing the operation. Leave your answer in scientific notation form.(30,000,000)(0.0005)
A. 1.5 × 102 B. 1.5 × 103 C. 0.0 D. 1.5 × 104
Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the semicircle 
to the semicircle 
.
A. 
B. 
C. 
D. 