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Levart [38]
2 years ago
13

PLS PLS PLS HELP!!!

Mathematics
1 answer:
KiRa [710]2 years ago
5 0

Answer:

( we know that square of perimeter is 4L now,4L=6c-4(c-5),4L=6c-4c+20,4L=2c+20,then L=(c+10)/2

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Solve question in image (yr 8 math, 40 pt)
Nady [450]

Answer:

y = 3

Step-by-step explanation:

(5y - 3)/4 + 6 = 3y

5y - 3 + 24 = 12y

7y = 21

y = 3

Check.

(5*3 - 3)/4 + 6 = 3*3

(15 - 3)/4 + 6 = 9

12/4 + 6 = 9

3 + 6 = 9

9 = 9

7 0
2 years ago
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HELP MUST BE DONE BY 4:00
Leya [2.2K]

Answer:

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8 0
3 years ago
Solve the following system:<br> y=1<br> y=-6x-5
Mandarinka [93]

Answer:

x = -1

y = 1

Step-by-step explanation:

<u><em>Since it gives you "y", plug in the number given into the equation:</em></u>

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<u><em>Then, add 5 to both sides:</em></u>

1 = -6x - 5

+5       + 5

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6 = -6x

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6 = -6x

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So now you have, x = -1 and y = 1

4 0
3 years ago
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69.78+26.73-100 just use your calculator and you will out and that a hint
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