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avanturin [10]
3 years ago
14

What error did the student make?? PLEASE HELP ME

Mathematics
1 answer:
gregori [183]3 years ago
4 0

Answer:

He did an error because he multiplied equation 2 wrongly.

The correct multiplication should have been:

-6x + 9y = 6        Multiply equation by 2 by 3

Step-by-step explanation:

Given the system of equations

3x-5y=4

-2x+3y=2

This is what student solved

6x - 10y = 8        Multiply equation 1 by 2

-6x + 3y = 6        Multiply equation by 2 by 3

_________

       -7y = 14

          y = -2

He did an error because he multiplied the equation 2 wrongly.

The correct multiplication should have been:

-6x + 9y = 6        Multiply equation by 2 by 3

NOW, HERE IS THE CORRECT VERSION

6x - 10y = 8        Multiply equation 1 by 2

-6x + 6y = 6        Multiply equation by 2 by 3

_________

       -4y = 14

          y = -2/7

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3 0
3 years ago
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2 years ago
Circle K has a diameter of 24 inches. Find the exact length of semicircle HJI. In your final answer, include all of your calcula
Svet_ta [14]
A semicircle's perimeter is half the perimeter of the complete circle.

The perimeter of the complete circle is its circumference which is found by the equation: πD.

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4 0
3 years ago
Read 2 more answers
Find the number that is 2/3 of the way from 3/4 to 3 5/12
IRINA_888 [86]

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Step-by-step explanation:

3 0
3 years ago
18 Given: the sequence 4, 7, 10, 13,...
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The 10th term would be 31 and the d variable will be replaced with the number 3.

8 0
2 years ago
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