Find the sum.-8.4 + (-2.1)
A. -6.3
B. 6.3
C. 10.5
D. -10.5
Answer: D
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Use the integral test to determine the convergence or divergence of the series.
A. Converges B. Diverges
Identify the vertex of the parabola.y = x2 + 3
A. (0, 3) B. (3, 0) C. (-3, 0) D. (0, -3)
Solve.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.48 ohm when the diameter is 1 mm and the length is 240 cm, what is the resistance when the diameter is 4 mm and the length is 2080 cm?
A. 130 ohms B. 62.4 ohms C. 0.26 ohms D. 1.04 ohms
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.What was the price of the book?$18
A. Unreasonable, should be $1.80
B. Unreasonable, should be $1800
C.
| Reasonable |
D. Unreasonable, should be $180