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katrin2010 [14]
3 years ago
10

Solve 2x+y=3 x+y=5 in substitution method

Mathematics
1 answer:
Nastasia [14]3 years ago
4 0
2x+y=3
- x+y=5
---------------
x=-2

2(-2)+y=3
y=7

-2+y=5
y=7

(-2,7)
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Step-by-step explanation:

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Number is 22 round down to
alina1380 [7]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
stephen and bridget win some money and share it in the ratio 5:2. stephen gets £65. how much does bridget get
katen-ka-za [31]

Answer:

Bridget will get the amount as £26.

Step-by-step explanation:

Given:

Amount Stephen gets = £65

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We need to find the amount Bridget gets.

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Let the common factor in the ratio be 'x'.

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Amount Bridget gets = 2x

But we know that;

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so we can say that;

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Now dividing both side by 5 we get;

\frac{5x}{5}=\frac{65}{5}\\\\x=13

So now we get;

Amount Bridget gets = 2x=2\times 13 = \£26

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3 0
3 years ago
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Valentin [98]

Answer: See explanation

Step-by-step explanation:

You didn't give the options but let me help out.

First and foremost, we should note that the value of the digit 2 in the number 135,284 is 200. Therefore, the value that is ten times as great as the value of the digit 2 in the number 135,284 would be:

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