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-BARSIC- [3]
3 years ago
9

I always get these wrong Help

Mathematics
2 answers:
DENIUS [597]3 years ago
7 0

Answer:

1. A possible answer is:

  • y = x + 1
  • y = x - 3

Another possible answer

  • y = 3x + 2
  • y = 3x - 8

Another possible answer

  • y = 2x + 1
  • y = 2x - 7

2. There is no solution because the the lines are parallel to each others but are located at different y-intercept.

Step-by-step explanation:

1. The lines are parallel to each others which means they must have the same slope.

So you can choose the value for any slope you want.

The lines are increasing so the slope has to be positive. I just chose my slope to be m=1; it can be any positive numbers.

I will be using the slope intercept formula to plug in my values:

    y = mx + b

Where m is the slope and b is the y-intercept value.

The first line is above the x-axis so it must have a positive b value for the y-intercept. I let the value be b=1 giving me:

  • y = x + 1

The second line is below the x-axis alot more than the first line, so the y-intercept must be negative. I just pick a random negative value and it was b=-3 giving me:

  • y = x - 3

2.

The lines are parallel to each other, which means they will never touch each other. A solution to a system of equation can only exist if the line touch each other. Parallel lines that are separated at different points will never touch each other therefore there is no solution.

Artemon [7]3 years ago
4 0
Facts honestly agree a lot more than i thought
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3 years ago
Three airlines serve a small town in Ohio. Airline A has 52% of all scheduled flights, airline B has 27% and airline C has the r
julia-pushkina [17]

Answer:

Step-by-step explanation:

Given that three airlines serve a small town in Ohio. Airline A has 52% of all scheduled flights, airline B has 27% and airline C has the remaining 21%.

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Let f(x) = x^2 – 81. Find f–1(x). <br> Can someone double-check what I have?
Trava [24]
I hope this helps you



y=x^2-81


x^2=y+81


x=square root of y+81


f^-1 (x)= square root of x+81
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