Find the length of the curve.x = 
, 1 ? y ? 4
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.A vector F represents a force that has magnitude 7 pounds, and 37° is the angle for its direction. Find the work done by the force in moving an object from the origin to the point (5, 0). Distance is measured in feet. Round the answer to one decimal place, if necessary.
A. 55.9 ft-lb B. 29.7 ft-lb C. 21.1 ft-lb D. 28 ft-lb
Mathematics
Find a rational approximation, to the nearest tenth, for the radical expression.
?
?
A. 59.4 B. 65.3 C. 62.8 D. 61.4 E. 61.0
Mathematics
Establish the identity.cot2x = (csc x - 1)(csc x + 1)
What will be an ideal response?
Mathematics
Add. Do not use a number line except as a check.208 + (-17) + 48 + (-103) + (-81) + 385
A. -842 B. 440 C. -440 D. 602
Mathematics