Use the distributive property to rewrite the expression.13(23 + 11)

A. 13 + 23 + 11
B. 13 ? 23 + 13 ? 11
C. 13 ? 23 + 11
D. 13 ? 34


Answer: B

Mathematics

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Find all the first order partial derivatives for the following function.f(x,y,z) = xe(x2 + y2 + z2)

A.  = 2x2e(x2 + y2 + z2) = xye(x2 + y2 + z2) = 2xze(x2 + y2 + z2)
B.  = (1 + 2x2) e(x2 + y2 + z2) = xe(x2 + y2 + z2) = xe(x2 + y2 + z2)
C.  = (1 + 2x2) e(x2 + y2 + z2) = xy2e(x2 + y2 + z2) = xz2e(x2 + y2 + z2)
D.  = (1 + 2x2) e(x2 + y2 + z2) = 2xye(x2 + y2 + z2) = 2xze(x2 + y2 + z2)

Mathematics

Choose the most reasonable unit of measure.Vacation drive: 340  (cm, km, mm, m)

A. km B. cm C. m D. mm

Mathematics

Graph the function.Use the graph of f(x) = 2x to obtain the graph of g(x) = 2x + 2.

A.

B.

C.


D.

Mathematics

Solve the problem.A brick staircase has a total of 17 steps The first step requires 117 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?

A. 2618 bricks B. 1266.5 bricks C. 2669 bricks D. 1309 bricks

Mathematics