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Alina [70]
3 years ago
12

I need help with adding decimals

Mathematics
2 answers:
nasty-shy [4]3 years ago
4 0
When you add the decimals it’s the same as regular adding. You line up the decimals and then add all the way across and when you get to the decimal carry it down
Temka [501]3 years ago
3 0
Line the decimals of your numbers up in a column

to add
3.5, 3.25, and .1

(any empty place becomes a zero)

3.50
3.25
0.10

6.85 would be the total.
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What is the solution to 4 (m-3) + 19 = 8 (2m + 3) + 7?
Flauer [41]

Answer:

x=-2

Step-by-step explanation:

Let m=x

4(x-3)+19=8(2x+3)+7\\

Expand the parentheses:

4x-12+19=16x+24+7\\4x+7=16x+31\\-31+7=16x-4x\\-24=12x\\x=-2

<em>Hope this helped! If you have any more questions regarding the explanation, please comment below, have a good day!</em>

6 0
2 years ago
Pls helpASAP!!!<br> 3x+ 12 = 2(8+ 4x)
mojhsa [17]

3x+12=2(8+4x) distribute

3x+12=16+8x\\ collect like-terms

3x-8x=16-12\\-5x=4\\x=-\frac{4}{5}=-0.8

5 0
3 years ago
Read 2 more answers
If 2 inches are equivalent to 5 centimeters, how many square centimeters are in one square inch?
umka2103 [35]

There are 6.45 or 6.5 square cm in one square in.

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2 years ago
How to combine like terms
aev [14]

Example: 1x+2y+3z+4a+5x+6y+7z+8+9

We can see that there is more than one number with the variable x, therefore, we say they're ''like terms'' and because of that they can be summed. We do this with all of the other numbers with similar variables. If no numbers with similar variables are left, like 4a, you don't do anything but write them as they are. You can also see that 8 and 9 can also be summed because neither of them has a variable, therefore they're similar.

In this step, you just do the operation with the numbers and keep the same variable.

(1x+5x)+(2y+6y)+(3z+7z)+4a+(8+9)

(6x)+(8y)+(10z)+4a+(17)

since there are not more numbers similar in variables, this operation is done.

6x+8y+10z+4a+17

8 0
3 years ago
Show how to decompose the number 56,934
Nastasia [14]
I mean...the number ends in a even number, you could go by 2's, or is that not what you mean. I can help you some other way if you could explain a bit more :)
6 0
3 years ago
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