The magnitudes
,
, and the angle ? between the vectors v and w are given. Round the requested magnitude or angle to the nearest tenth.
= 14,
= 13, ? = 80°
Find
src="https://sciemce.com/media/4/ppg__hgh0505191830__f1q120g6.jpg" alt="" style="vertical-align: -4.0px;" />
A. 19.1
B. 20.7
C. -36.2
D. 17.4
Answer: D
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The speed for certain animals is related to the stride length by a power function. The value of the power in this function is . If the stride length is multiplied by 1.09, how is the speed affected? Round your answer to two decimal places if necessary.
?
A. Speed is multiplied by 1.05. B. Speed is multiplied by 1.09. C. Speed is multiplied by 1.49. D. Speed is multiplied by 1.63.
Solve the problem by integration.Find the volume of the solid that is generated by revolving the area bounded by
and
about the x-axis.
A. ? ln (17)
B. ? ln (4)
C. ? ln (4)
D. ? ln (17)
Determine what m and b represent.The value, in dollars, of a particular computer is given by where x is the number of years the computer has been in existence.
A. -699.33 signifies the number of computers owned, and 2923 signifies the cost of electricity. B. -699.33 signifies the hourly cost of repairs, and 2923 signifies the cost of software. C. -699.33 signifies the amount of depreciation per year, and 2923 signifies the initial cost. D. 2923 signifies the amount of depreciation per year, and -699.33 signifies the initial cost.
Evaluate the exponential expression.(-1)5
A. -1 B. -5 C. 1 D. 5