Write a numerical expression for the phrase and simplify it.The product of 3 and -6, added to -8

A. (-8 + 3)(-6); 30
B. (-8) + (3)(-6); -26
C. (-8)(-6) + 3; 51
D. (-8)(-6)(3); 144


Answer: B

Mathematics

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Find y '.y = (3x - 4)(3x3 - x2 + 1)

A. 27x3 + 45x2 - 15x + 3 B. 36x3 - 15x2 + 45x + 3 C. 9x3 + 15x2 - 45x + 3 D. 36x3 - 45x2 + 8x + 3

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Write the expression as a product of a whole number and a power of 10. Use an exponent to represent the power of 10.5,000,000,000

A. 5 × 1010 B. 5 × 109 C. 5 × 108 D. 5 × 1011

Mathematics

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

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

Mathematics

Rewrite as an expression using only positive exponents.

A.
B. - 
C.
D.

Mathematics