Simplify the expression. If any variables are present, assume that they are positive.
A. y
B. y2
C. y2
D. y2
Answer: A
Mathematics
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Perform the indicated operations.5(4x + 4y)(4x - 7y)
A. 80x2 - 60xy - 140y2 B. 40x2 - 285xy - 140y2 C. 80x2 - 60xy - 4y D. 40x2 - 60xy - 140y2
Mathematics
Solve the problem.How long will it take for $3800 to grow to $31,300 at an interest rate of 4.5% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 46.86 yr B. 4685.82 yr C. 0.47 yr D. 4.69 yr
Mathematics
Find the limit.
(1 - cot x)
A. 0 B. ? C. -? D. Does not exist
Mathematics
Factor completely. If the polynomial is prime, state so.9 - 25x2
A. (3 - 5x)2 B. (3 + 5x)2 C. (3 + 5x)(3 - 5x) D. prime
Mathematics