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umka21 [38]
3 years ago
9

Question:4x²-9 answer:​

Mathematics
1 answer:
statuscvo [17]3 years ago
3 0

Step-by-step explanation:

4x^2-9

=(2x)^2 -3^2

=(2x+3) (2x-3)

Hope this helps you.

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What is the solution of 2|2x-1|-8=18?
Maurinko [17]

Solve for |2x-1|:

2|2x-1|-8=18\implies2|2x-1|=26\implies|2x-1|=13

Now if 2x-1\ge0, we have |2x-1|=2x-1 and

2x-1=13\implies2x=14\implies x=7

On the other hand, if 2x-1, then |2x-1|=-(2x-1)=1-2x and

1-2x=13\implies-2x=12\implies x=-6

4 0
3 years ago
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I need some help plz
aksik [14]

Answer:

B

Step-by-step explanation:

The most reasonable one is B because its 7 for side B and the rest for B are either bigger or equal to the given number

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3 years ago
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Alecsey [184]

Answer:

Answer

Step-by-step explanation:

You read the question and follow and like me.

3 0
3 years ago
Surface area of a trash can plz show work
ollegr [7]

Answer:

Step-by-step explanation:

So first we need to find the area of the trash can so here is the math:

The formula:

A=LxW

Replace the letters with numbers:

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Step-by-step explanation:

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