Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.A road that is 17 miles long is represented on a map that shows a scale of 1 centimeter being equivalent to 30 kilometers. How many centimeters long does the road appear on the map? Round your result to the nearest tenth of a centimeter.
A. 0.4 cm
B. 1.4 cm
C. 27.4 cm
D. 0.9 cm
Answer: D
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Solve the problem.The curves y = ax2 + b and y = 2x2 + cx have a common tangent line at the point (-1, 0). Find a, b, and c.
A. a = 1, b = 0, c = 2 B. a - 2, b = 1, c = -1 C. a = -1, b = 1, c = -2 D. a = 1, b = -1, c = 2
Translate the word phrase into an algebraic expression. Explain what the variable represents.The difference of the number of calories and 29
A. 29 + C, where C represents the number of calories B. 29 - C, where C represents the number of calories C. 29C, where C represents the number of calories D. C - 29, where C represents the number of calories
Factor the trinomial, or state that the trinomial is prime.2x2 - x - 55
A. (2x - 5)(x + 11) B. (2x + 5)(x - 11) C. (2x - 11)(x + 5) D. (2x + 11)(x - 5)
Simplify.[28 - (4 + 6) ÷ 2] - [1 + 6 ÷ 3]
A. 17 B. 20 C. 15 D. 27