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zvonat [6]
4 years ago
5

Solve 13-m=2(-4+m).

Mathematics
2 answers:
Alekssandra [29.7K]4 years ago
7 0
-4+m=7 next do 13-m=2 m equals 11 it all equals 14
Alborosie4 years ago
4 0
The answer is m = 7.


1. (<span>13−m=2(m−4) </span>Regroup terms
2. Expand (<span>13−m=2m−<span>8)
3. </span></span>Add <span><span>m</span></span> to both sides (<span>13=2m−8+<span>m)
4. </span></span>Simplify (<span>2m−8+m</span> to <span><span><span>3m−8)
5. add 8 to both sides (13 + 8 = 3m)
6. </span></span></span>Simplify <span>13+8 to 21
7. </span>Divide both sides by <span><span>33</span></span> (21/3 = m)
8. simplify 21/3 to 7 (7 = m)
9. switch sides ( finally m = 7)



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Answer:

Odd is the answer.

Step-by-step explanation:

An even number can be written in the form 2x, where x is an integer.

An odd number can be written in the form 2x + 1, where x is an integer.

So two odd numbers can be represented by 2a +1 and 2b +1, the product would be:

(2a + 1)(2b +1) = 4ab + 2a + 2b + 1 = which can be written as 2(2ab + a +b) + 1, but 2ab +a + b represents some integer, so 2ab + a + b = x.

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Simplify.<br><br> (0.4n)(16n)<br><br> 6.4n<br> 6.4n2<br> 16.4n2<br> 16.4n
yuradex [85]

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3 years ago
The difference between the areas of the figures is less than 4.
KengaRu [80]

Answer:

We know that:

If T = area of the triangle

and R = area of the rectangle:

I T - RI < 4.

Now, we know that:

T = 8*6/2 = 8*3 = 24

R = 4*(x - 4) = 4*x - 16

Then replacing those values, we can write:

I24 - (4*x - 16)I < 4

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Now let's solve it:

First we aim for the first value that is not a solutions, this is when:

I40 - 4*xI = 4

we can write this as:

40 - 4*x = +-4

The first extreme is:

40 - 4*x = +4

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x = (40 + 4)/4 = 11.

Then the set of solutions is: S = (9, 11)

5 0
4 years ago
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