Solve the problem.Helen Weller invested $10,000 in an account that pays 12% APR. How much additional money must be invested in an account that pays an APR of 15% so that the total interest is equal to the interest on the two investments at the rate of 13%?
A. $5000
B. $7000
C. $6000
D. $10,000
Answer: A
Mathematics
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Identrify the critical points and find the maximum and minimum value on the given interval I.g(t) = t2/3; I = [-1, 8]
A. Critical points: -1, 0, 8; maximum value 1; minimum value 0 B. Critical points: 0; no maximum value; minimum value 0 C. Critical points: -1, 8; maximum value 4; minimum value 3 D. Critical points: -1, 0, 8; maximum value 4; minimum value 0
Mathematics
Solve the system of equations.x + 5y + 5z = -8 4y + 5z = -3 z = 1
A. x = -3, y = 1, z = -2 B. x = -3, y = -2, z = 1 C. x = 1, y = -2, z = -3 D. Inconsistent
Mathematics
Change to the measure indicated.33 milliliters to liters
A. 33,000 L B. 0.33 L C. 0.033 L D. 3,300 L
Mathematics
Divide.
÷ 
A. 6x8 B. 2x4 + 4x2 C. 8x6 + 4x2 D. 2x4 + 16x4
Mathematics