If the cosine of an acute angle equals the sine of a second acute angle, then the two angles are ____________.
What will be an ideal response?
complementary
Mathematics
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Solve and check your solutions.-18.9 = -2.1x
A. x = 16.8 B. x = 9 C. x = -16.8 D. x = 2
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Evaluate.
A. 7980 B. 420 C. 5.11 × 1019 D. 21
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Solve.
+ 
= 
A. -4, 6 B. -4 C. no solution D. -6, 4
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Use the square root property to solve the quadratic equation.125(s - 3)2 = 5
A. 
B. 
C. 
D. 
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