Solve the problem.Corn, soybean, and wheat production this week decreased by 4.5% from last week. If the decrease amounted to 13,080 tons, what was the production last week? Round to the nearest tenth, if necessary.

A. 588.6 tons
B. 58,860 tons
C. 290,666.7 tons
D. 29,066.7 tons


Answer: C

Mathematics

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The stack plot below shows the value of each of Danny's investments. The stack plot contains three regions. The uppermost unshaded region represents the value of Danny's investment in individual stocks. The center shaded region represents the value of Danny's investment in mutual funds and the bottom region in black represents the value of Danny's investment in a CD. The thickness of a region at a particular time tells you its value at that time. Use the graph to answer the question.In which year was the total value of Danny's investments the greatest?

A. year 8 B. year 4 C. year 0 D. year 5

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Evaluate the determinant by inspection.

A. 112 B. 49 C. -112 D. -175

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Solve by completing the square.24d2 + 50d + 25 = 0

A. - , -  
B. - , -  
C.  
D.

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Graph the polynomial function. f(x) = x4 - 18x3 + 81x2

A.

B.

C.

D.

Mathematics