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Andrei [34K]
3 years ago
7

What is the first step in adding these equations to eliminate y? 5x+6y=9

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0

multiply all terms in the second equation by 2 to get the coefficient on the y variable to be -6.

2(4x-3y=8)\\8x-6y=16

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Draw a number line that shows the distance between 3 and -2 is 5
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This is how I would do it, hope this helps!

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What statement makes the open sentence true ?
dedylja [7]

The answer is C. x=4

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You finance a $500 car repair completely on credit, you will just pay the minimum payment each month for the next three months.
Cloud [144]

Answer:

Determination of the Finance Charge, Carry-over balance, Minimum Payment for each of the next two months:

Finance Charge:

First month = $7.91

Second month = $7.72

Carry-over balance:

First month = $487.59

Second month = $475.50

Minimum Payment:

First month = $20.32

Second month = $19.81

Starting balance (Carry-over balance + Finance charge):

First month = $507.91

Second month = $495.31

Step-by-step explanation:

a) Data and Calculations:

Credit Finance = $500

APR = 18.99%

Minimum monthly payment = 4% of the balance

Monthly rate of interest = 0.1899/12 = 0.015825

Finance Charge:

First month = $7.91 ($500 * 0.015825)

Second month = $7.72 ($487.59 * 0.015825)

Carry-over balance:

First month = $487.59($507.91 - $20.32)

Second month = $475.50 ($495.31 - $19.81)

Minimum Payment:

First month = $20.32 ($507.91 * 4%)

Second month = $19.81 ($495.31 * 4%)

Starting balance (Carry-over balance + Finance charge):

First month = $507.91 ($500 + $7.91)

Second month = $495.31 ($487.59 + $7.72)

6 0
3 years ago
Solve the system <br> 12x+2y=86<br> 6x+2y=56
Ghella [55]
<span>12x+2y=86 -
  6x+2y=56
-------------------
  6x = 30 => x = 30 : 6 = 5
   
2y = 56 - 30 => 2y = 26 => y = 13</span>
3 0
3 years ago
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