Solve the system of equations.2x - y + 7z = 132x + 2z = 162y + z = 17

A. ?
B. {(7, 1, 8)}
C. {(7, 8, 1)}
D. {(-7, 8, 14)}


Answer: C

Mathematics

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A cup of coffee is poured from a pot that maintains a constant temperature. The fresh coffee is placed on the counter to cool. Its temperature, in degrees Fahrenheit, t minutes after it is placed on the counter is given by ? ? A. What is the temperature of the coffee in the pot?B. Use functional notation to express the temperature of the coffee after 5.00 minutes.C. Calculate the value you found in part B.

What will be an ideal response?

Mathematics

Find all the first order partial derivatives for the following function.f(x, y) = xye-y

A.  = ye-y = xe-y(1 - y)
B.  = ye-y = xe-y
C.  = ye-y = xe-y(y - 1)
D.  = ye-y = - xye-y

Mathematics

Evaluate the integral.dx

A.  sin 4x -  sin3 4x + C
B. 5 sin 4x -  sin3 4x + C
C.  sin 4x -  cos3 4x + C
D.  sin 4x +  sin3 4x + C

Mathematics

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.(p, 0) and (0, y)

A. p2 + y2
B.
C.
D.

Mathematics