Multiply.(9x3z)(-5yz)(-5xy3z5)

A. 225x4y4z7
B. 225x4y4z6
C. 225x4y5z6
D. -225x3y4z7


Answer: A

Mathematics

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The formula for the area of a trapezoid is all but which of the following??

A.

?The area of the trapezoid is the mean of the bases × the height.


B.

?The area formula for a trapezoid can be broken down into three parts: I. the area of the left triangle, II. the area of the right triangle, III. the area of the rectangle.


C.

?The trapezoid area formula also can find the area for a parallelogram.


D.

?The area formula for a trapezoid is: where a and b are the bases.  


E.

?The area formula for a trapezoid is: where  and  bare the bases.


F.

?The trapezoid area formula can sometimes be used to estimate the area of geographical shapes on maps that resemble a trapezoid.


Mathematics

Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = 4x3i + 4y3j + 4z3k ; D: the thick sphere 1 ? x2 + y2 + z2 ? 16

A. 756?
B. ?
C. 49,104?
D. 1360?

Mathematics

Write the binomial expansion of the expression.(2x + 1)5

A. (4x2 + 4x + 1)5 B. 32x5 + 80x4 + 80x3 + 40x2 + 10x + 1 C. 32x5 + 16x4 + 8x3 + 4x2 + 2x + 1 D. 32x5 + 10x4 + 40x3 + 40x2 + 10x + 1

Mathematics

Write the expression with positive exponents. Then simplify if possible.-2z-3

A.
B.
C. - 
D. - 

Mathematics