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MatroZZZ [7]
3 years ago
7

Estimate then find the sum or difference 8. 260. 47+___​

Mathematics
1 answer:
umka2103 [35]3 years ago
8 0
The sum of this will be 8.73
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X=y+10 and x=2y+3 <br> solve by substitution <br> needing x and y
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The two equations given in the question are
x = y + 10
And
x = 2y + 3
Now let us substitute the value of x in the second equation with that of the first equation. We get
x = 2y + 3
y + 10 = 2y + 3
y - 2y = 3 - 10
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y = 7
Now putting the value of y in the first equation, we get
x = y + 10
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So the value of x comes out to be 17 and the value of y comes out to be 7.
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An angle that in grater than 90 degrees is classified as an what
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