3 years ago

16. Carrie is packing her clothes in moving

Mathematics

1 answer:

joja [24]3 years ago

5 0

Answer:

I don't get it but in my opinion I would say it's 4

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What's 2x+3y=6 and x-3y=9?

Vedmedyk [2.9K]

Set up a system of equations:

2x+3y=6
x-3y=9

You can solve this with elimination by adding the two equations together:

3x+0y = 15
3x=15
x=5

Then, plug this value back into either of the original equations to find the y value:

5-3y=9
-3y=4
y= -4/3

The point of intersection is (5,-4/3)

4 0

3 years ago

It says write an equation of the line shown and the line goes through points 4,3 and 1,-3

RUDIKE [14]

Slope of the line;
slope= $\frac{change in y}{change in x}$
Slope= $\frac{3--3}{4-1}$
Slope,m = $\frac{6}{3} =2$
y=mx+c
y=2x+c
Replacing for x and y using point (4,3)
3=2(4)+c
3=8+c
c=3-8
c=-5
y=2x-5

4 0

3 years ago

Solve for the variable x - 9 = 11

Strike441 [17]

Answer:

Step-by-step explanation:

x - 9 = 11

+9 +9

x = 20

3 0

2 years ago

Read 2 more answers