Convert the equation to Cartesian coordinates.r = 5
A. x + y = 25
B. x + y = 5
C. x2 - y2 = 25
D. x2 + y2 = 25
Answer: D
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Provide an appropriate response.Is it possible to factor the expression 20x8(y + 7) + 9(y - 7)? If so, factor it.
A. Yes: (20x8 + 9 + 7 + y) B. Yes: (20x8 + 9)(y - 7) C. Yes: (20x8 + 9)(y + 7) D. No
Solve the problem.A rectangular Persian carpet has a perimeter of 188 in. The length of the carpet is 28 inches more than the width. What are the dimensions of the carpet? (P = 2l + 2w)
A. 33 in., 61 in. B. 80 in., 108 in. C. 66 in., 94 in. D. 61 in., 89 in.
Solve.81x2 + 4y2 = 3242y - 9x = 18
A. (0, -9), (2, 0) B. (0, 9), (-2,0) C. (0, -2), (9, 0) D. (0, 2), (0, -9)
Construct the transition matrix that represents the data.A new anti-gravity commuter train has been installed. It is expected that each week 90% of the riders who used the existing system will continue to do so. Of those who traveled by car, 5% will begin to use the new anti-gravity train. Use this information to write the transition matrix that describes this process. T C
A. T C
B. T C
C. T C
D. T C
