0.8x+3.2-4.3x=7.7-1.2x

Answers

Answer 1

Answer: On the left side of the equation we have like terms so: -3.5x + 3.2 = -1.2x + 7.7
Add 3.5 to each side: 3.2 = 2.3x + 7.7
Subtract 7.7 from each side: -4.5 = 2.3x
Divide both sides by 2.3: -1.95652174 = x
Answer: -1.95652174

Answer 2

Answer: Combine all the like terms on one side:
0.8x-4.3x+1.2x=7.7-3.2
-2.3x=4.5
Use the division property of equality. divide both sides by -2.3.
That leaves you with x=-1.96 (when rounded). exact: -1.95652

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The amounts of paper waste generated in a region during two years were 41,300,000 tons and 50,500,000 tons. What was the total paper waste generated over these two years in the region, expressed in scientific notation?

Answers

So first you need to add the two years together to get 91,800,000 from there you can start to turn it into scientific notations. First start out by putting an imaginary decimal point at the end so you have 91,800,000. From there you need to move the decimal next to the 9 so 7 spots to the left. This means that when you are converting back from SN you would go 7 spots to the right. Therefore when you write this in SN you will have 10 to the power of positive 7.Now that you have the number and the exponent you just put them together and you have 9.18 x 10^7 . I hope this helped and if you have any questions about how I got this answer feel free to message me.

Just add 41,300,000 to 50,500,000. That is 91,300,000.00 tons. Scientific Notation just moves the decimal point to the beginning. So it would be 9.13*10^7

What is 1.0 as a percentage?

Answers

1.0 is 100% as a percentage because 1 over 1 is equal to 1 whole. 1 divided by 1 is equal to 1.

The percentage form of a number 1.0 is, 100%

We have to given that,

To write a number 1.0 as a percentage.

Since, A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

Now, We can write a number 1.0 as a percentage as,

1.0 x 100%

100%

Hence, The solution is, 100%

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X2=36 what dose this mean

Answers

you would divide X2=36 by 2 and you would be left with X=18. I hope I helped.

It means you have to find what number equals 36 but multiplying with 2

Is 8 out of 10 and 25 out of 30 boys playing sports the same

Answers

I think it's not the same.
8 divided by 10 = 1.25
25 divided by 30 is = 1.2

8:10 and 25:30.
They are ratios.

Hope this helps.

Add to ﬁnd the sum 2/10 + 3/100 =

Answers

Hey There!

First, find the lcd, which is 100, multiply the numerator and denominator to 100.

$(20)/(100)$ + $(3)/(100)$ = $(23)/(100)$

Have A Brainly Day!

The answer will be 0.23 as a fraction will be 23/100

What is the length of AB?