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lianna [129]
3 years ago
15

Solve the system of equations by graphing. {y=x-6 {y=3x-8 Show work please

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0
You should subtract left sides and right sides in order to make y disappeared
and you will have the following:

y - y = (x - 6) - (3x - 8)    =>     0 = x - 6 - 3x - 8     =>     0 = -2x - 14    =>

2x = -14    =>    x = -14/2 = -7

Now you can use -7 in the system and you will get y
y = -7 - 6 = -13

So your answers will be:
x=-7 and y=-13


You might be interested in
Working together, 5 friends collected 15 5/8 bags of food for the homeless. On average, how many bags of food did each friend co
Effectus [21]

15 5/8 divided by 5

First, we turn the 15 5/8 to a mixed number: 8 * 15 + 5 = 125/8

125/8 divided by 5/1 (which is equal to 5)

Next, we do Keep Change Flip.

Keep 125/8 the same, change the division to multiplication, and turn the 5/1 to 1/5.

1 * 125 = 125

8 * 5 = 40

Then, we get 125/40 = 3 5/40 BUT WAIT

We can reduce it once more! Divide 40 by 5

Each friend collected 3 1/8 bags of food.

7 0
3 years ago
I need help with question 9
makvit [3.9K]

Answer:

f(x)=0.17x+3.00

f(60)=0.17(60)+3.00

f(60)=10.20+3

f(60)=13.20

1 hour will cost $13.20

Step-by-step explanation:

I found the difference in minutes between the given values and the difference in cost between the given values. Between 8 minutes and 25 minutes is 17, and between 25 and 40 is 15 minutes. The difference of $7.25 and $4.36 is $2.89, and the difference between $7.25 and $9.80 is $2.55. I then divided2.89 by 17 and 2.55 by 15 and both resulted in $0.17/minute. I them multiplied 8 minutes by $0.17 toget $1.36. I subtracted that from the cost given for 8 minutes to get $3.00. The $3.00 is the initial charge, or b in slope-intercept form with m=0.17. Plug in 60 for x to find the cost of an hour.

7 0
4 years ago
Pls help I don't wanna get a bad grade
Katena32 [7]

Answer:

48.15

Step-by-step explanation:

60 * 75% = 45

45 * 107% = $48.15

I hope this helps!

8 0
3 years ago
Read 2 more answers
Please help with this math problem
dlinn [17]
I think it’s a I’m not really sure but I think
7 0
3 years ago
Simplify.<br><br> |–4.1| = <br><br> Thanks!
Alisiya [41]

|-4.1|

= 4.1


I hope that's help !

5 0
3 years ago
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