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Marrrta [24]
2 years ago
8

Alebgra!!

Mathematics
2 answers:
alukav5142 [94]2 years ago
6 0
Perimeter is the sum of all the sides
A rectangle has four sides=2L+2W

2(2w+7)+2w
4w+14+2w
=6w+14

Please mark as brainliest if it’s correct
Vikentia [17]2 years ago
4 0

Answer:

I think it's 18

Step-by-step explanation:

P=2(l+w)=2(7+2)=18

it's been awhile I believe this is it

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My first expression answer is y=5 -2x How do I plug it into x-y=1 ?? The Y
Lemur [1.5K]

Answer:

All you need to do is make sure the first expression is solved for y (which it is), and then substitute it into the second expression in place of any occurrences of y:

given the second expression:

x - y = 1

We'll replace y with it's value in the first expression:

x - (y) = 1

x - (5 - 2x) = 1

Now we can expand the resulting equation:

x - 5 + 2x = 1

So <em>neither</em> of the answers provided are correct.

You can then solve for x:

x - 5 + 2x = 1

x - 5 + 5 + 2x = 1 + 5

x + 2x = 6

3x = 6

3x/3 = 6/3

x = 2

After that, you can find y by plugging x into either of the two original equations:

y = 5 - 2x

y = 5 - 2(2)

y = 5 - 4

y = 1

8 0
3 years ago
A
Mashutka [201]

Answer:

3,378.70

Step-by-step explanation:

First, find the total amount Henry spends a month. 25.30 for printer ink and 52 for advertising. 25.30+52=$77.30.

Subtract what he has spent from what he has made.

3,456-77.30=3,378.70

That is his profit.

8 0
3 years ago
Help! Apparently I did these two problems wrong but I don't know what I did.
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Yes, his estimate is reasonable. But only if Michael is less than 2 years old.
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