Find the least common denominator.
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A. 8a(a + 6)
B. 8a + 6
C. 8a2 + 48
D. 8a2 + 6
Answer: A
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Factor completely.32x2 + 80xy + 50y2
A. 2(4x + 5y)2 B. 2(16x2 + 40xy + 25y) C. (8x + 10y)(4x + 5y) D. 2(4x - 5y)(4x + 5y)
Establish the identity.sin(x + y) - sin(x - y) = 2 cos x sin y
What will be an ideal response?
Translate the problem to a system of equations, then solve using matrices.A $114,000 trust is to be invested in bonds paying 6%, CDs paying 5%, and mortgages paying 9%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $8360 annual income from the investments, how much should the bank invest in bonds?
A. $57,000 B. $19,000 C. $36,000 D. $38,000
Solve for base in the problem. Round to the nearest hundredth, if necessary.64 crates is 80% of crates.
A. 51.2 B. 800 C. 80 D. 8