Use a calculator to give the real number value.sin-1(0.2079)

A. 0.24444444
B. 0.209427456
C. 0.26190476
D. 0.17460317


Answer: B

Mathematics

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Solve the problem.The gravitational force (in lb) of attraction between two objects is given by  where x is the distance between the objects. If the objects are 5 ft apart, find the work required to separate them until they are 50 ft apart. Express the result in terms of k.

A.  k
B.  k
C.  k
D.  k

Mathematics

The graph and equation of a polynomial f(x) are given. Determine the number of real zeros and the number of imaginary zeros.f(x) = x4 - 5x3 + 5x2 - 5x + 4

A. Two real zeros; One imaginary zero B. Four real zeros; no imaginary zeros C. Two real zeros; two imaginary zeros D. Two real zeros; no imaginary zeros

Mathematics

Provide an appropriate response.Which of the other three methods for solving quadratic equations is used to derive the quadratic formula?

What will be an ideal response?

Mathematics

Determine the quadratic function whose graph is given.

A. f(x) = -x2 + 8x + 7 B. f(x) = -x2 + 8x - 7 C. f(x) = -x2 - 8x - 7 D. f(x) = x2 + 8x + 7

Mathematics