Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 20.6 cm
B. 212.5 cm
C. 425 cm
D. 12.5 cm
Answer: A
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Solve the application problem.The product of two nonzero consecutive integers is 5 less than 5 times their sum. Find the integers.
A. -10, -9 B. 10, 11 C. 9, 10 D. 0, 1
Calculate the slope of the line passing through the given points. If the slope is undefined, so state. Then indicate whether the line rises, falls, is horizontal, or is vertical.(-6, 7) and (-6, 6)
A. m = 1; rises B. m = -1; falls C. m = 0; horizontal D. undefined slope; vertical
Subtract.(3.1x3 - 6.1x2 + x - 4) - (8.1x3 - 2.7x2 + x + 1)
A. 11.2x3 - 3.4x2 - 5 B. -5x3 - 3.4x2 - 2x + 5 C. -5x3 - 8.8x2 + 2x - 5 D. -5x3 - 3.4x2 - 5
The CB radio of a trucker covers the circular area shown in illustration. Find the equation of that circle, in general form.
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A. ?
B. ?
C. 
D. ?
E. ?