Use cross products to determine whether the proportion is true or false. = 

A. True
B. False


Answer: B

Mathematics

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Solve the equation. =  (All numbers are approximate.)

A. M = 10.6622807 B. M = 0.96929825 C. M ? 2.5 D. M ? 0.60

Mathematics

Find the requested measurement. Use ? ? 3.14 and round your answer to the nearest hundredth.Find the area of the circle.

A. 43.96 cm2 B. 21.98 cm2 C. 153.86 cm2 D. 38.47 cm2

Mathematics

Solve the problem. Round your answer to the nearest tenth, if necessary.Working together, Rick and Juanita can complete a job in 6 hr. It would take Rick 9 hr longer than Juanita to do the job alone. How long would it take Juanita alone?

A. 9 hr B. 6 hr C. 15 hr D. 3 hr

Mathematics

Determine all possible rational solutions of the polynomial equation.f(x) = 11x3 + 19x2 + 2x - 22

A. ±1, ± , ±11, ± , ± , ± 
B. ±1, ±2, ±11, ±22
C. ±1, ± , ±2, ± , ±11, ±22
D. ±1, ± , ±2, ±11, ±22

Mathematics