Change to the equivalent decimal. Round to the nearest hundredth.
A. 4.23
B. 3.23
C. 3.231
D. 7.33
Answer: B
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Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.The area of a rectangular piece of plywood is 45 square inches and the width is 9 inches. Find the length.
A. Let x = the length of the rectangular piece of plywood. 9 ? x = 45 The length of the rectangular piece of plywood is 4 inches. B. Let x = the length of the rectangular piece of plywood. x ? 9 = 45 The length of the rectangular piece of plywood is 5 inches. C. Let x = the length of the rectangular piece of plywood. 45 - 9 = x The length of the rectangular piece of plywood is 36 inches. D. Let x = the length of the rectangular piece of plywood. 9 + 9 + x + x = 45 The length of the rectangular piece of plywood is 8 inches.
Solve the problem.The following map shows the states Idaho, Montana, Wyoming, Colorado, Utah, and Nevada. Find a route that starts and ends in Colorado and crosses each common state border exactly one time.
A. CO ?WY ? MT ? ID ? NV ? UT ? CO B. No such route exists. C. CO ? UT ? NV ? ID ? MT ? WY ? ID ? UT ? WY ? CO D. CO ?WY ? ID ? MT ? WY ? ID ? UT ? CO
Perform the indicated operations.6 - 8
A. -14 B. -2 C. 14 D. 2
Water whose temperature is at 100 oC is left to cool in a room where the temperature is 30 oC. After 2 minutes, the water temperature is 88 oC. If the water temperature T is a function of time t given by
, find k. Round your answer to the nearest hundredth.
?
A. 
B. ?
C. ?
D. ?
E. none of these