Find the missing side lengths in the triangle. Give the exact answer and then an approximation to two decimal places, when appropriate.
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A.
B.
C.
D.
E.
Answer: B
Mathematics
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Solve. = -10
A. -5 B. -4 C. 4 D. No solution
Mathematics
Solve the equation by first clearing the decimals.0.86x + 0.9(18 - x) = 15.84
A. {9} B. {-9} C. {0.09} D. {-0.09}
Mathematics
Find the dot product v ? w.v = -i - j,w = i + j
A. -1 B. -2 C. 1 D. 0
Mathematics
Solve the problem.The pH of a chemical solution is given by the formula pH = -log10[H+] where [H+] is the concentration of hydrogen ions in moles per liter. Find the pH if the [H+] = 6.7 x 10-1.
A. 0.17 B. 1.17 C. 0.83 D. 1.83
Mathematics