Multiply.300 ? 500

A. 149,500
B. 150,500
C. 150,000
D. 800

Answer: C

Mathematics

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Find the slope and the y-intercept of the given line.y = - x + 5

A. - ; (0, -5)
B. - ; (0, 5)
C. ; (0, 5)
D. ; (0, -5)

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Mathematics

Solve.Regrind, Inc. regrinds used typewriter platens. The variable cost per platen is $1.40. The total cost to regrind 50 platens is $300. Find the linear cost function to regrind platens. If reground platens sell for $10.60 each, how many must be reground and sold to break even?

A. C(x) = 1.40x + 230; 20 platens B. C(x) = 1.40x + 300; 33 platens C. C(x) = 1.40x + 300; 25 platens D. C(x) = 1.40x + 230; 25 platens

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Mathematics

Find the indicated matrix.Let A = and B =. Find 4A + B.

A.
B.
C.
D.

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Ohm's Law for the current I in a circuit with voltage E, resistance R, capacitance reactance XC, and inductive reactance XLis  Use this law to solve the problem.Find I if  R = 9, XL= 7, and XC= 3.

A.

 + i

B.
 + i

C.
 + i

D.
 + i

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Mathematics