Solve the problem.Helen Weller invested $13,000 in an account that pays 10% simple interest. How much additional money must be invested in an account that pays 13% simple interest so that the average return on the two investments amounts to 11%?
A. $13,000
B. $10,000
C. $9000
D. $6500
Answer: D
Mathematics
You might also like to view...
Solve the problem.Sketch a continuous curve y = f(x) with the following properties: f(2) = 3; f"(x) > 0 for x > 4; and f"(x) < 0 for x < 4 .
What will be an ideal response?
Mathematics
Find the probability.Each of ten tickets is marked with a different number from 1 to 10 and put in a box. If you draw a ticket from the box, what is the probability that you will draw 3, 5, or 1?
A. 
B. 
C. 
D. 
Mathematics
Solve the equation by first clearing the decimals.0.5x - 0.3(20 + x) = 0.1(20)
A. {40} B. {30} C. {20} D. {50}
Mathematics
Find an equation in slope-intercept form (where possible) for the line.Through (7, -3), perpendicular to -3x - 8y = 3
A. y = 
x - 
B. y = 
x
C. y = 
x - 65
D. y = - 
x + 
Mathematics