How to prove two equations have infinite solutions?

1 answer:

6 0

To prove two equations have infinite solutions, you have to prove that those two equations are the same equations, but in a different form.

For example: Prove the equations are infinite
5y=2x+7
10y=4x+14
If you multiply the first equation by 2, and substitiute any of the numbers, you will get 0=0

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A map scale is 1 inch:50 miles. Two cities are 450 miles apart. How far apart are the cities on the map

ArbitrLikvidat [17]

450÷50=9
Your answer would be 9inches because all you have to do is divide 450 by 50 and you get the number of inches

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3 years ago

A searchlight rotates through one complete revolution every 4 seconds. How long does it take the light to rotate through 90 degr

frez [133]

1 full revolution=360
4seconds=360degrees
how many seconds is 90 degrees
4:360=x:90
4/360=x/90
simpllfiy
1/90=x/90
1=x

answer is 1 second

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3 years ago

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Pls explain ur answer

Nikolay [14]

Answer:

meters

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Step-by-step explanation:

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3 years ago

3 2/3+ 8 7/12<br><br> I need the work

castortr0y [4]

Answer:

$\frac{49}{4}$