Solve.If y varies directly as the x2 and y = 196 when x = 7, what is the value of y when x = 3?

A. 36
B. 21
C. 84
D. 28


Answer: A

Mathematics

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Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-6x - 7y = -24-4x + 4y = -16

A. (4, 1) B. (3, 1) C. (4, 0) D. No solution

Mathematics

Solve the equation.-28 = a - 25

A. 3 B. -3 C. 53 D. -53

Mathematics

The area of a triangle is 80 in2. Find the length of the side included between the angles . ? Round to three significant digits. ? b = __________ inches

Fill in the blank(s) with the appropriate word(s).

Mathematics

Provide an appropriate response.Which one of the following equations in x doesn't require the use of the multiplication property of equality (a, b, c, and d are real numbers, and x is the unknown)?

A. ax = (b - c)x - d
B. x = 
C. x = d - c
D. a - b + (c - d)x = 0

Mathematics