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liraira [26]
3 years ago
15

9x+lly=15 determine if liear​

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
3 0

Answer: Yes, it is.

First you have to subtract X on both sides.

9x-9x+11y=-9x+15

equals

11y=-9x+15 (You cannot combine unlike numbers)

You divide both sides by 11.

11y/11= -9x+15/11

equals

Y= -9/11 X+15/11

Although it doesn't look so, graphing calculators online will show that this answer in linear.

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4x +8=2x + 3x +3 solve for x
velikii [3]

Answer:

x=5

Step-by-step explanation:

4x+8=2x+3x+3

2x+3x=5x

4x+8=5x+3

-4x

8=1x+3

-3

5=1x

5/1

x=5

4 0
3 years ago
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disa [49]
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A cylinder with a volume of 45 cubic inches has a radius of three inches
Rudik [331]

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In a certain region, the number of children who have been vaccinated against rubella is twice the number who have been vaccinate
MatroZZZ [7]

Answer:

C. 10 000

Step-by-step explanation:

If we called:

x = children who have been vacinated against rubella only

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y = children who have been vaccinated agains both

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And we know that y = 2*(x-y)

=> 2y = 3x

y = 5000

There fore x = 7500

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Answer:

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hope it helps

5 0
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