Solve the problem.Suppose that receiving stations X, Y, and Z are located on a coordinate plane at the points  and  respectively. The epicenter of an earthquake is determined to be 5 units from X, 15 units from Y, and 13 units from Z. Where on the coordinate plane is the epicenter located?

A. at (-2, 5)
B. at (-2, 4)
C. at (-3, 5)
D. at (-4, 7)


Answer: C

Mathematics

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Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by  and the total profit function is given by , where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that . Find R(x).

A. R(x) = 49x - 0.3x2 B. R(x) = 46x - 0.6x2 C. R(x) = 47x + 0.3x2 D. R(x) = 47x - 0.3x2

Mathematics

Find the unknown value.What percent of 70 is 56?

A. 120% B. 125% C. 75% D. 80%

Mathematics

Find the probability.What is the probability that a card drawn from a deck of 52 cards is not a 9?

A.
B.
C.
D.

Mathematics

Use slope to determine whether the quadrilateral with the given vertices forms a parallelogram. If it is a parallelogram, determine whether it is also a rhombus.A(0, 3), B(3, 6), C( 5, -2), D(8, 1)

A. Yes, it is a parallelogram but it is not also a rhombus. B. No, it is not a parallelogram (nor is it a rhombus). C. Yes, it is a parallelogram and it is also a rhombus.

Mathematics