Translate the problem to a system of equations, then solve using matrices.Anne and Nancy use a metal alloy that is 17.32% copper to make jewelry. How many ounces of a 11% alloy must be mixed with a 23% alloy to form 150 ounces of the desired alloy?
A. 71 ounces
B. 79 ounces
C. 84 ounces
D. 73 ounces
Answer: A
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Find an equation for the line tangent to the given curve at the indicated point.y = 
at (1, 4).
A. y = 0 B. y = 4 C. y = 4x D. y = x + 4
Using the derivative of f(x) given below, determine the critical points of f(x).f'(x) = (x - 1)2(x + 4)
A. -4, -1, 1 B. -1, 4 C. -1, 0, 4 D. -4, 1
Provide an appropriate response.Without actually solving each equation, determine which one of the following has 0 in its solution set. Explain your answer.p2 - 10p + 8 = 0a3 + 9a2 = 10a-7n - 7n - 9 = 036p2 - 9 = 0
What will be an ideal response?
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.An entrepreneur borrowed $20,000 from a bank at 7% for 9 months to start a new project. Find the total amount due the bank the end of the 9-month period.
A. $32,600.00 B. $1050.00 C. $30,500.00 D. $21,050.00