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tigry1 [53]
3 years ago
9

Please help me, I don't understand.

Mathematics
1 answer:
levacccp [35]3 years ago
3 0
The answer is a I’m pretty sure
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Why would it be advantageous to borrow oneself into the sun if you live in an internal zone​
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What is the answer for this equation 600 is 4/9 of what number 
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2 years ago
I don’t understand can someone please explain how to work this out and what the answer is
joja [24]

When you see an equation with parenthesis around it, you can use this:

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

Otherwise known as PEMDAS.

We can see that in the equation, there are parenthesis, so we can open those. We open parenthesis by taking the number right next to the parenthesis (or outside the parenthesis) and we multiply that number by everything inside. So this is what it would look like:

-2x^2 - 10x + 8

See how the signs changed? This rule only applies when you multiply something, but here is how I think of it:

+ and + always equals +.

- and - always equals +.

- and + always equals -.

+ and - always equals -.

So that's it! Just to be clear, the answer is:

-2x^2 - 10x + 8

Hope I helped, sorry if I'm wrong!

`Mschmindy

4 0
3 years ago
The length of a side of an equilateral triangle is x-45
Ilia_Sergeevich [38]

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that means all the other sides are x-45 and each of the angles are 60 degrees

(i dont know what your asking for)

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2 years ago
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