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4 years ago

How do you solve x-y=11 2x+y=19

2 answers:

8 0

Actually, you put x-y=11 into slope intercept form and insert it into the other equation because y now equals x-11. then you solve for x and put it back into the equation to get y.
x=10 and y=-1. put them back in the equations if you are unsure

stepan [7]4 years ago

7 0

you take the x and y and take and add numbers till u get the correct numbers. the answer would be x=16 y=5

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The total cost (c) in dollars of renting a car for n days is given by the inequality LaTeX: c\ge125+50nc ≥ 125 + 50 n. What is t

zysi [14]

Answer:

Step-by-step explanation:

Given the inequality expression of the total cost (c) in dollars of renting a car for n days as c ≥ 125 + 50n

To get the maximum number of days for which a car could be rented if the total cost was $425, substitute c = 425 into the expression and find n

425 ≥ 125 + 50n

Subtract 125 from both sides

425 - 125 ≥ 125 + 50n - 125

300≥ 50n

Divide both sides by 50

300/50≥50n/50

6 ≥n

Rearrange

n≤6

<em>Hence the maximum number of days for which a car could be rented if the total cost was $425 is 6days</em>

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Step-by-step explanation:

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