Choose the best estimate from the list. is approximately .

A.
B.
C.
D.


Answer: A

Mathematics

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Find the measure of the angle described.Find the supplement of 144°.

A. 36° B. 216° C. 126° D. not possible

Mathematics

Express as a single logarithm and, if possible, simplify.8 ln  - 10 ln 

A. ln 
B. ln 
C. ln(x12 - y8)
D. ln 

Mathematics

Solve triangle ABC. Round side lengths and angle measures to the nearest tenth when necessary.b = 2, c = 3, A = 80°

A. a ? 2.3, B ? 63.4°, C ? 36.6° B. a ? 3.3, B ? 63.4°, C ? 36.6° C. a ? 4.3, B ? 36.6°, C ? 63.4° D. a ? 3.3, B ? 36.6°, C ? 63.4°

Mathematics

Solve the problem.When a person bends at the waist with a straight back, the force, F, exerted by the person's lower back muscles can be estimated with the formula  where w is the person's weight, and ? is the angle made by the person's torso relative to the horizontal. Suppose that a  person bends at an angle of 35°. Determine the force exerted by the person's back muscles, and estimate the angle that requires the back muscles to exert a force of 197 pounds.

A. 29 pounds; 55.4° B. 284 pounds; 35° C. 199 pounds; 48.3° D. 284 pounds; 55.4°

Mathematics