Solve the problem.Josef owns a 65-inch TV (that is, its screen measures 65 inches on the diagonal). If the television screen is 52 inches wide across the bottom, then what is its height?
A. 39 in.
B. 37 in.
C. 117 in.
D. 52 in.
Answer: A
Mathematics
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Find the area of the surface generated by revolving the curves about the indicated axis.x = sin t, y = 5 + cos t, 0 ? t ? 2?; x-axis
A. 20?2 B. 15?2 C. 5?2 D. 30?2
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Solve the equation. Give an exact solution.ln(5x - 2) = ln 12 - ln(x - 6)
A. no solution
B. 6, 
C. 
D. 0, 
Mathematics
Prove the identity.cot ?(cot ? + tan ?) = csc2?
What will be an ideal response?
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Find all the factors for the number.84
A. 1, 2, 3, 4, 6, 7, 12, 14, 21, 42, 84 B. 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 14, 21, 28, 42, 84 C. 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 D. 1, 2, 3, 4, 7, 14, 21, 28, 42, 84
Mathematics