Solve.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 $1500.00 with an interest rate of 2% earned $150.00 in simple interest. Find the amount of simple interest earned if the principle is $4500.00 and the interest rate is 7%.
A. $157,500.00
B. $525.00
C. $450.00
D. $1575.00
Answer: D
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Find the domain of f and write it in interval notation.f(x) = log (x + 1)
A. (1, ?) B. (-1, ?) C. (-?, ?) D. (0, ?)
For the pair of similar triangles, find the length of the indicated side.
In the outer triangle, the shortest side has length 9, and the middle side has length 12. In the inner triangle, the shortest side has length 3, the middle side has length 4, and the longest side has length 5. Find the length, x, of the longest side of the outer triangle.
A. x = 16 B. x = 20 C. x = 5 D. x = 15
Solve the problem.Formulate the following problem as a linear programming problem (DO NOT SOLVE):A small accounting firm prepares tax returns for two types of customers: individuals and small businesses. Data is collected during an interview. A computer system is used to produce the tax return. It takes 2.5 hours to enter data into the computer for an individual tax return and 3 hours to enter data for a small business tax return. There is a maximum of 40 hours per week for data entry. It takes 20 minutes for the computer to process an individual tax return and 30 minutes to process a small business tax return. The computer is available for a maximum of 900 minutes per week. The accounting firm makes a profit of $125 on each individual tax return processed and a profit of $210 on each
small business tax return processed. How many of each type of tax return should the firm schedule each week in order to maximize its profit? (Let x1 equal the number of individual tax returns and x2 the number of small business tax returns.) What will be an ideal response?
Solve the problem.If a neighbor wants to create the area shown as a space for his dog to play, how much wire must he bury around the edge to create an "invisible" fence?
A. 12 m B. 28 m C. 24 m D. 26 m