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Marta_Voda [28]
2 years ago
13

Y = - x + 4 y = 2x - 8​

Mathematics
2 answers:
natulia [17]2 years ago
5 0

Answer:

{y,x} = {0,4}

Step-by-step explanation:

// Solve equation [2] for the variable  y  

 

 [2]    y = 2x - 8

// Plug this in for variable  y  in equation [1]

  [1]    (2x-8) + x = 4

  [1]    3x = 12

// Solve equation [1] for the variable  x  

  [1]    3x = 12  

  [1]    x = 4  

// By now we know this much :

   y = 2x-8

   x = 4

// Use the  x  value to solve for  y  

   y = 2(4)-8 = 0

Gnom [1K]2 years ago
5 0
^^ the person above had the same answer as me! have a good day!
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Answer:

y=10x

Step-by-step explanation:

Find the slope of the original line and use the point-slope formula

y−y1=m(x−x1)  to find the line parallel to y=10x−45

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2 years ago
Erika calculated that she would spend $115 on school supplies this year. She actually spent $82.50 on school supplies. What is E
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The equation to find percent error is:
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Hope this helps!!
6 0
2 years ago
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sineoko [7]

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Step-by-step explanation:

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Cristina bought a bag of coffee for $8.47. The weight of the bag was 7/8 of a pound. What was the price, per pound, of the coffe
SpyIntel [72]
~For this problem, you need to divide. 
~The easy way that I think might help you is if you change the fraction into a decimal. 
 
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Now divide $8.47 by 0.875
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5 0
3 years ago
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