Solve. Write the fraction in simplest form.There are 14,400 runners at a marathon. If 12,000 are male, what fraction of the runners are female?

A.
B.
C.
D.


Answer: C

Mathematics

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Find an equation for the ellipse described.Foci at (0, -3) and (0, 3); length of the major axis is 12

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics

Establish the identity.sin(x + y) - sin(x - y) = 2 cos x sin y

What will be an ideal response?

Mathematics

Find any numbers for which the rational expression is undefined.

A. a = 4 B. a = -4 C. a = 0 D. none

Mathematics

Use Gauss-Jordan elimination on the augmented matrix [A|B] to solve for the matrix X. ? ?

A.
B.
C.
D.
E.

Mathematics