Solve the problem.A water wheel rotates through the angle ?, the water level L behind the wheel changes according to the equation L = 1 - sin ? - 2 cos2 ?where L is measured in inches. Determine the values of ? for which the water level is zero. Find the exact values. Do not use a calculator.
What will be an ideal response?
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Mathematics
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Factor out the greatest common factor. Simplify the factors, if possible.10m9 + 6m4 + 20m2
A. -2m2(5m7 - 3m2 - 10) B. m2(10m7 + 6m2 + 20) C. 2m2(5m7 + 3m2 + 10) D. 2(5m9 + 3m4 + 10m2)
Mathematics
Solve the problem.Andrea Gilford's savings account has a balance of $453. After 2 years, what will the amount of interest be at 4% compounded quarterly?
A. $42.53 B. $37.53 C. $9.06 D. $28.53
Mathematics
Use divisibility rules to determine whether the given number is divisible by 2, 3, 5, or any combination of these.26,400
A. 2, 5 B. 2, 3, 5 C. 5 D. 2
Mathematics
List the proper fractions in the group.
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A. 
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B. 
C. 
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D. 
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Mathematics