Estimate the answer by rounding as indicated.Estimate by rounding to the leftmost digit.31,698 ÷ 484
A. 600
B. 50
C. 60
D. 500
Answer: C
Mathematics
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Evaluate the requested trigonometric function using the information given. sin ? = 
; ?/2 < ? < ?Find sec ?.
A. 
B. - 
C. - 
D. - 
Mathematics
Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.5 in.; d = 10.3 in. B. w = 6.5 in.; d = 11.3 in. C. w = 7.5 in.; d = 12.3 in. D. w = 5.5 in.; d = 12.3 in.
Mathematics
Solve. 12r2 = 3r
A. 
B. 0, 
C. 0, 4
D. 0
Mathematics
Determine the equation of the line described. Put answer in the slope-intercept form, if possible.Through (6, 2), perpendicular to y = 1
A. y = 2 B. x = 6 C. x = 1 D. y = 1
Mathematics