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.81t2 -25 = 0
A. t = 
; x ? 0.1
B. t = 
or t = - 
; x ? 0.2 or x ? -0.2
C. t = 
or t = - 
; x ? 0.6 or x ? -0.6
D. t = 
; x ? 0.6
Answer: C
Mathematics
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A. 2,775 B. 2,755 C. 2,765 D. 2,865
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A. Proper fraction B. Improper fraction
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Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 200° + i sin 200°)w = 4(cos 50° + i sin 50°)Find 
.
A. 
(cos 40° + i sin 40°)
B. 
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C. 
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D. 
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