Approximate the area of the circle using 3.14 for ?.

A. 50.24 ft.2
B. 24.12 ft.2
C. 12.56 ft.2
D. 25.12 ft.2


Answer: C

Mathematics

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Provide an appropriate response.The standard normal probability density function is defined by f(x) = e-x2/2.  (a) Show that dx = .(b) Use the result in part (a) to show that the standard normal probability density function has mean 0.

What will be an ideal response?

Mathematics

?Use a graphing utility to approximate all the real zeros of the function  by Newton's Method.  ?

A. ?-1.751, 2.028, 8.61 B. ?-1.151, 2.97, 9.707 C. ?-1.071, -1.391, -1.951 D. ?-1.231, 2.028, 9.736 E. ?-0.951, 2.028, 9.736

Mathematics

Graph the hyperbola.25(y - 3)2 - 16(x - 1)2  = 400

A.

B.


C.

D.

Mathematics

Solve the equation in the complex number system.x2 + 6x + 25 = 0

A. {-3 + 4i} B. {-3 - 16i, -3 + 16i} C. {1, -7} D. {-3 + 4i, -3 - 4i}

Mathematics