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GenaCL600 [577]
3 years ago
10

Evaluate -x^2-2x+5 when x=-10

Mathematics
1 answer:
kvv77 [185]3 years ago
6 0
If I'm correct and the ^ stands for multiplication then the answer should be 5.

The picture is my work just ignore the fraction.

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If f(x) = 2x - 5, then f(4) is<br> 17<br> 5<br> 4<br> 3
vagabundo [1.1K]

Answer:

  3

Step-by-step explanation:

The notation "f(4)" means you put 4 where x is in the algebraic expression, then do the arithmetic.

  f(4) = 2·4 -5

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6 0
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25 minutes (0:25) added to 7:15.

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Also expressible as 15+25

He arrived at 7:40AM.
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shusha [124]

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Step-by-step explanation:

3 0
3 years ago
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What is the answer to <br> 8(x-3)+7=2x(4-17)
nadezda [96]

Answer:

x=1/2

Step-by-step explanation:

First you distribute the 8 over the (x-3) giving you 8x-24. Do the same for 2x and (4-17). That should give you 8x-34x.

Your equation should look like : 8x-24+7=8x-34x

Next try to balance out your equation. You want your x's all by themselves in order to solve.

The 8x's cancel eachother out so you have -24+7= -34x.

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Equation: -17= -34x

Divide both sides by -34 to get x by itself.

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3 years ago
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