Solve the problem.A simple exercise machine can be constructed by mounting a stiff spring securely to a wall and attaching a "T" handle to the free end of the spring. The arms can be exercised simply by pulling the "T" handle towards the torso. For a particular spring, the stretch distance is related to the work exerted by the equationx
= 
,where W is the work exerted in joules and x is the stretch distance in cm. How far will you stretch the spring if you exert 640 joules of work? Round your answer to three decimal places.
A. 0.087 cm
B. 0.123 cm
C. 0.131 cm
D. 0.015 cm
Answer: B
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Identify the shape of the solid.
A. cylinder B. sphere C. cone D. circle
Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.75 as soon as you get in the taxi, to which a charge of $1.85 per mile is added. Find an equation that can be used to determine the cost, C(x), of an x-mile taxi ride.
A. C(x) = 2.75 + 1.85x B. C(x) = 4.60x C. C(x) = 1.85 + 2.75x D. C(x) = 3.10x
Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 6; zeros: -8, 3, 8 - 5i, -3 + i
A. 8 + 5i, -3 - i B. 8, 8 + 5i, -3 - i C. -8 + 5i, 3 - i D. 8, 8 + 5i
Simplify the expression.
?
?
A. - 6 B. 6 C. 4 D. 10 E. - 4