Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.A number increased by six is negative eleven.

A. 6 + x = -11, x = 17
B. 6 + x = -11, x = -5
C. x + 6 = -11, x = -17
D. x - 11 = 6, x = 17


Answer: C

Mathematics

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Find the indicated product.Let A = {2, 3} and B = {a, b}, determine n(A × B).

A. 4 B. 6 C. 0 D. 2

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Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive. -x2 - 6x + 7

a. entirely negative: entirely positive:
b.entirely negative: entirely positive:
c. entirely negative: entirely positive:
d. entirely negative: entirely positive:

e. entirely negative: entirely positive:

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Multiply by a fraction equivalent to 1 to build up the fraction to one with the denominator shown. = 

A.
B.
C.
D.

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Divide and, if possible, simplify. ÷ 

A.
B.  
C.  
D.  

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