Solve the system by the substitution method.

A.
B.
C.
D.


Answer: D

Mathematics

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Find the tangential and normal components of the acceleration.r(t) = (5t sin t + 5 cos t)i + (5t cos t - 5 sin t)j + 4k

A. a = 5T + N
B. a = N
C. a = 5T + 5tN
D. a = 5tN

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Give three examples of numbers that satisfy the given conditions.A real number, but not a rational number.

What will be an ideal response?

Mathematics

Solve the problem.Find the derivative of the function    at the point    in the direction in which the function decreases most rapidly.

A. - 
B. - 
C. - 
D. - 

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Solve the problem.Find the normal to the curve x2 + y2 = 2x + 2y that is parallel to the line 

A. y = x + 2 B. y = -x + 2 C. y = x - 2 D. y = -x - 2

Mathematics