Solve.A 33-inch-square TV is on sale at the local electronics store. If 33 inches is the measure of the diagonal of the screen, use the Pythagorean theorem to find the length of the side of the screen.

A.  in.
B.  in.
C.  in.
D.  in.


Answer: C

Mathematics

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The CEO of a tire company has kept records for the profit  P when n tires are produced. The rate of change  is the marginal profit. The graph of marginal profit is shown. According to the graph, how many tires per day should the company be producing in order to maximize profit? ? ?

A. 150 B. 270 C. 30 D. None of the above

Mathematics

Solve the problem.The point of intersection of three or more edges of a polyhedron is called a(n) .

A. face B. edge C. polyhedron D. vertex

Mathematics

Solve the system of equations.  x -y + 5z = -45x+ z = 0  x + 4y +z = 16

A. (0, 4, -4) B. (4, 0, 0) C. (0, 0, 4) D. (0, 4, 0)

Mathematics

Write the standard equation for the following circle.

A. (x - 1)2 + (y - 2)2 = 9 B. (x + 1)2 + (y + 2)2 = 3 C. (x - 1)2 + (y - 2)2 = 3 D. (x + 1)2 + (y + 2)2 = 9

Mathematics