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4vir4ik [10]
3 years ago
9

-4x^2+20-4 in standard form

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
4 0
The answer should be -4x^2+16               
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these 15 colored pencils make up 20% of jordon's colored pencil collection.how many colored pencils does jordon have in his coll
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Answer:

75 coloured pencils

Step-by-step explanation:

Let's say Jordon has x total pencils.

We know that 20% of these x pencils is 15, so we have:

20% * x = 15

Remember that % is just "out of 100", so 20% = 20/100 = 0.20. Then:

0.20x = 15

x = 15 / 0.20 = 75

Jordon has 75 coloured pencils.

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Step-by-step explanation:

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3 years ago
Decompose x^2+4x-3/x-2​
mariarad [96]

Answer:

\dfrac{x^3-2x^2+4x-3}{x-2}

Step-by-step explanation:

The given equation is :

x^2+\dfrac{4x-3}{x-2}

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We have,

x^2+\dfrac{4x-3}{x-2}\\\\=\dfrac{x^2(x-2)+4x-3}{x-2}\\\\=\dfrac{x^3-2x^2+4x-3}{x-2}

So, \dfrac{x^3-2x^2+4x-3}{x-2} is the decomposed form of the given expression.

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Answer:

2 and 4 are correct

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