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Rashid [163]
3 years ago
13

Y = 3x + 1 y = 3x - 3 Please help me out what’s x? What’s y?

Mathematics
1 answer:
Harrizon [31]3 years ago
4 0

Answer:

Step-by-step explanation:

use the comparison method

3x + 1 = 3x - 3

1 = -3

the expression is false for any value of x and y , so there no solution

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A  The data is proportional and the unit rate per package is $8   This is because y= 8x

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2 years ago
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3 years ago
roger has a nail that is 12 centimeters long. he measures and records the length of the nail as 15 centimeters. what is the % er
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3 years ago
Solve for x and y in the system of equation<br>3x²+4y=17 <br>2x²+5y=2<br>I'll mark brainliest​
Novay_Z [31]

Answer:

x=\pm \sqrt{11} \\y=-4.

Step-by-step explanation:

\left \{ {{3x^2+4y=17} \atop {2x^2+5y=2}} \right. \\\\Then\\\\\left \{ {{2 \times (3x^2+4y)=2 \times 17} \atop {3\times(2x^2+5y)=3\times2}} \right. \\\\\left \{ {{6x^2+8y=34 \quad (1)} \atop {6x^2+15y=6\quad (2)}} \right.\\\\(1)-(2) \Rightarrow -7y=28 \Rightarrow y =-4.\\Since \: \:  2x^2+5y=2 \Rightarrow 2x^2=2-5y\\\Rightarrow 2x^2=2+20=22\\\Rightarrow x^2=22:2=11\\\Rightarrow x=\pm \sqrt{11}.

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3 years ago
HELP I NEED TO FIND THIS ANSWER PLEASE !!!
LUCKY_DIMON [66]
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3 years ago
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