Provide an appropriate response.Find the angle ? (if it exists) in the interval [0°, 90°) for which sin ? = cos ?.
A. ? = 60°
B. No such angle exists.
C. ? = 30°
D. ? = 45°
Answer: D
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Solve the variation problem.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $3200.00 with an interest rate of 8% earned $1280.00 in simple interest. Find the amount of simple interest earned if the principle is $4600.00 and the interest rate is 6%.
A. $1840.00 B. $960.00 C. $1380.00 D. $138,000.00
Factor.p6 + 1
A. (p2 + 1)(p4 - p2 + 1) B. (p + 1)(p - 1)(p4 - p2 + 1) C. (p3 + 1)(p3 - 1) D. (p + 1)(p - 1)(p2 + p + 1)(p2 - p + 1)
Determine if the infinite geometric series converges or diverges. If the series converges, find its sum.4 + 
+ 
+ 
+ . . .
A. converges, 
B. converges, 
C. converges, 6
D. diverges
Solve the equation.log (x + 4) = log (4x - 5)
A. 
B. 
C. 
D. 