Evaluate using any method.


Mathematics

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Solve the problem.The figure shows two intersections, labeled A and B, that involve one-way streets. The numbers and variables represent the average traffic flow rates measured in vehicles per hour. For example, an average of 600 vehicles per hour enter intersection A from the west, whereas 250 vehicles per hour enter this intersection from the north. A stoplight will control the unknown traffic flow denoted by the variables x and y. Use the fact that the number of vehicles entering an intersection must equal the number leaving to determine x and y.

A. x= 250, y = 150 B. x= 600, y = 500 C. x= 400, y = 450 D. x= 450, y = 400

Mathematics

Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.5x < 15 and x + 5 > 2

A. ?
B. (-?, -3) ? (3, ?)

C. [-3, 3]

D. (-3, 3)

Mathematics

Provide an appropriate response.Explain the error made in finding the area of the parallelogram below. A = bh A = 8 ? 4 A = 32 in.2

What will be an ideal response?

Mathematics

Find the value of the expression using the given values.-4x + yx = -5, y = 3

A. -2 B. -17 C. -1 D. 23

Mathematics