Solve.x2 + y2 = 36x2 - y2 = 36
A. (0, -6)
B. (0, 6) and (0, -6)
C. (6, 0)
D. (6, 0) and (-6, 0)
Answer: D
Mathematics
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Evaluate.tan-1(tan 2.537)
A. 3.746 B. 2.537 C. -0.604 D. 2.175
Mathematics
A piece of machinery valued at $38,000 depreciates at a rate of 7% yearly. How long will it take until it has a value of $19,000? Please round the answer to the nearest tenth.
A. 11.9 years B. 14.9 years C. 12.9 years D. 9.9 years E. 8.9 years
Mathematics
Solve the following quadratic equation using the Square Root Property. Make sure you simplify the final answer completely. Find the exact answer and a decimal approximation to the nearest tenth when possible.3x2 = 4
A. x = 
or x = - 
; x ? 1.2 or x ? -1.2
B. x = 
; x ? 1.2
C. x = 
; x ? 1.2
D. x = 
or x = - 
; x ? 0.7 or x ? -0.7
Mathematics
Simplify.
A. 5
B. 3x2
C. 75x
D. 5x
Mathematics