3 years ago

Fast plz help i'll give 20 pts for this

Mathematics

1 answer:

Otrada [13]3 years ago

6 0

Its number 1 i think

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3x+y=7 6x+4y=22 can somebody help me solve this problem?

swat32

Hey there!

$\boxed{x=1;y=4}$

$3x + y = 7 \\ \\ 
 6x + 4y = 22$

$y = -3x + 7 \\ \\ Plug \ this \ in \ for \ variable \ (y) \ in \ equation \ \\ \\ 

 6x + 4*(-3x+7) = 22 \\ \\ 
 -6x = -6 \\ \\ 6x=6 \ x+1 \\ \\ x=1 \ y=-3x+7 \\ \\ \boxed{y=-3(1)+7=4} \\ \\ \boxed{\boxed{x=1;y=4}}$

I hope this helps you!

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3 years ago

Which equation represents a line that passes through the point (−2, 6) and is parallel to the line whose equation is 3x − 4y = 6

mart [117]

Method 1: Realize that the desired equation will look exactly the same as the given equation 3x − 4y = 6, except that the constant will be different.

Thus, the equation of the new line is 3(-2) − 4(6) = C, where C comes out to 30.

Then the new line is 3x - 4y = 30.

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3 years ago

To find the range you take the big number and subtract the small number.True False

statuscvo [17]

Answer:

True

Please give Brainliest

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3 years ago

How do you write 22.128 in expanded fraction form and decimal form

pochemuha

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