Indicate whether the equation illustrates the commutative property of addition, commutative property of multiplication, associative property of addition, associative property of multiplication, or the distributive property.-10(nm) = (-10n)m

A. Distributive property
B. Commutative property of multiplication
C. Associative property of addition
D. Associative property of multiplication


Answer: D

Mathematics

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Write the first five terms of the sequence {an}.a1 = 1, a2 = 5, an + 2 = an + 1 + an

A. 1, 5, 6, 12, 18 B. 1, 5, 6, 7, 8 C. 1, 5, 6, 11, 17 D. 1, 1, 2, 3, 5

Mathematics

Find the standard deviation. Round to one more place than the data.

A. 3.0 B. 0.9 C. 1.5 D. 2.7

Mathematics

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

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

Mathematics

Between the pair of numbers, insert the appropriate sign: <, =, or >.  

A. < B. = C. >

Mathematics