Answer:
r = -20
Step-by-step explanation:
–7r= –8r−20
<em>Add 8r to both sides</em>
r = -20
Answer:
432
Step-by-step explanation:
l x w
4x3
4x19
8x24
8x19
432
Answer:
Step-by-step explanation:
If you need to do this by graphing, you need to change the format of each equation into slope intersect form
start with 3x-2y=-24
-2y=-3x-24
y=-3/2x+12
To graph this, the y intersect (where it crosses the y axis) is 12 and from there the slope is -3/2
For the next equation,
-3x-y=6
-y=3x+6
y=-3x-6
So the y intersect is -6 and the slope is -3.
Once you graph both of these, the point where both lines cross AKA the intersecion is the solution to the problem.
Answer:
y = 3/4x - 2
Step-by-step explanation:
slope intercept form: y = mx + b
y-intercept(when x= 0) is given by b
slope is given by m
lets find the slope using the two given points, (4,1) and (8,4)
m = y2-y1 / x2-x1
m = 4 - 1 / 8 - 4
m = 3/4
Now use any of the given points to begin writing your equation, which will help you find the y intercept - ill use (4,1).
1 = 3/4(4) - b
1 = 3 - b
b = -2
now you have m and b so you can finish writing your equation.
y = mx + b
y = 3/4x - 2
Answer:
false... i think
Step-by-step explanation:
