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vlada-n [284]
3 years ago
6

Make a congestion if you know that a relationship is proportional and are given one ordered pair that is not (0,0) how can you f

ind another pair
Mathematics
1 answer:
IRISSAK [1]3 years ago
7 0
When you know that a relationship is proportional and you know one ordered pair that is not (0,0) you can find another (any) pair x,y by doing y / x = constant.

So, with the given pair you find the ratio y / x. Suppose this ratio is:

y / x = k

Now you multiply any x-value times k to find the correspondant y-value.
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What is the value of x when y equals 2 in the equation y equals x over 4 - 7
Alex

The value of x when y = 2 is x = 36

Step-by-step explanation:

The equation that we have in this problem is:

y=\frac{x}{4}-7

In order to find the value of x when y is equal to

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We need to re-arrange the equation making x the subject.

We proceed as follows:

1) We add +7 on both sides:

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2) Now we multiply both  sides by 4:

4(y+7)=\frac{x}{4}\cdot 4\\x=4(y+7)

3) Now we can substitute y = 2 and find the value of x:

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3 years ago
What is the value of x?<br> x+10<br> 105
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