Find the given Sn for the arithmetic series.7 + 12 + 17 + 22 + . . . . Find S28.
A. 7952
B. 2086
C. 4172
D. 4312
Answer: B
Mathematics
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Compute the gradient of the function at the given point.
A. ?f = -4i - 10j - 5k B. ?f = 36i - 30j - 15k C. ?f = 36i + 30j - 15k D. ?f = -9i - 3j + 3k
Mathematics
Solve.The cross-sectional area of a rectangular duct is 240 square inches. If the length is 5 inches less than twice the width, what is the length of each side? Round to the nearest hundredth.
What will be an ideal response?
Mathematics
Convert the angle to degrees, minutes, and seconds.-100.51°
A. -100°30'28'' B. -100°30'36'' C. -100°28'51'' D. -100°30'40''
Mathematics
Find the domain of the composite function f?g.f(x) = 
, g(x) = x + 1
A. (-?, -3) ? (-3, ?) B. (-?, -3) ? (-3, -1) ? (-1, ?) C. (-?, -4) ? (-4, ?) D. (-?, ?)
Mathematics