Use repeated subtraction on your calculator to compute the division problem, where a remainder is possible.186 ÷ 7
A. 30
B. 26 R 4
C. 26 R 6
D. 26
Answer: B
Mathematics
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Find the mass of the wire that lies along the curve r and has density ?.r(t) = 
i + 5tj, 0 ? t ? 1; ? = 5t
A. 
units
B. 
units
C. 
units
D. 
units
Mathematics
Show that the function is a solution of the wave equation.w(x, t) = cos (6ct) sin (6x)
A. Yes B. No
Mathematics
Find all solutions of the equation in the interval [0, 2?).2 cos2 x - 1 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.In simplified form, the period of vibration P for a pendulum varies directly as the square root of its length L. If P is 2.5 sec. when L is 25 in., what is the period when the length is 49 in.?
A. 98 sec B. 24.5 sec C. 14 sec D. 3.5 sec
Mathematics