Write the equation of a line through the given points in the form
, where A, B, and C are integers and A > 0.(-5, 10), (4, -8)
A. x - 2y = 0
B. 2x - y = 0
C. x + 2y = 0
D. 2x + y = 0
Answer: D
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Solve the problem.It has been found that the less income people have, the more likely they are to report that their health is fair or poor. The function models the percentage of Americans reporting fair or poor health, f(x), in terms of annual income, x, in thousands of dollars. Find and interpret f(31).
A. f(31) ? 13.5; 13.5% of Americans earning $31 thousand annually report fair or poor health. B. f(31) ? 14.6; 14.6% of Americans earning $31 thousand annually report fair or poor health. C. f(31) ? $14.6; 31% of Americans earning $14.6 thousand annually report fair or poor health. D. f(31) ? 13.5; 31% of Americans earning $13.5 thousand annually report fair or poor health.
Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.414 + 761 + 470 + 430 = 2075
A. Incorrect. Estimate: 2200 B. Incorrect. Estimate: 2000 C. Incorrect. Estimate: 2300 D. Correct. Estimate: 2100
Combine. Simplify the answer.11 + 11
A. 22
B. 23
C. 21
D. 11
Find the length of the arc on the circle of radius r meters intercepted by a central angle ?. Round your answer to three decimal places.r = 12, ? = radians
A. 6.283 m B. 1.571 m C. 22.918 m D. 12.566 m