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HACTEHA [7]
3 years ago
13

Dan had forty-three dimes and forty-one nickels in his bank. His dad borrowed nineteen nickels from Dan.

Mathematics
1 answer:
lozanna [386]3 years ago
7 0
41-19 is 22 so he has 22 nickels. The amount of dimes is put in there to distract you. Just ignore those! :)
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Answer:

The value of the Rational expression when x=-2 is: -7

Step-by-step explanation:

For this exercise is important to remember:

  • When a negative number is raised to an even power, the result will be positive.
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       (+)(+)=+\\(-)(-)=+\\(-)(+)=-

Then, given the following Rational expression:

\frac{2x^2+5x+9}{x^2+2x-1}

You need to follow these steps in order to find its value when x=-2:

1. Substitute the given value of "x" (x=2) into the expression:

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2. Evaluate and simplify:

\frac{2(4)+5(-2)+9}{4+2(-2)-1}=\frac{8-10+9}{4-4-1}=\frac{7}{-1}=-7

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Step-by-step explanation:

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Answer:

point-slope equation of the line through (1,0) and (6,-3). Use Exact Numbers

Step-by-step explanation:

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