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# Help Ma! Thank Ya!

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+141

Thank Ya

FunMath  Dec 7, 2017

#1
+5552
+2

C   =   2π * r          Divide both sides of the equation by  2π

C / ( 2π )   =   r

y   =   -$$\frac14$$x + 3         Multiply every term in this equation by  4 .

4y   =   -x + 12        Add  x  to both sides of the equation.

x + 4y   =   12

2x + 3y   =   9            Subtract  2x  from both sides of this equation.

3y   =   -2x + 9           Divide every term in this equation by  3 .

y   =   -$$\frac23$$x + 3

4x - 3y   =   -18         To find the y-intercept, plug in  0  for  x  and solve for  y .

4(0) - 3y   =   -18

-3y   =   -18

y   =   6                      So the y-intercept is  6 .

y   =   $$\frac12$$x + 6        To find the x-intercept, plug in  0  for y  and solve for  x .

0   =   $$\frac12$$x + 6

-6   =   $$\frac12$$x

-12   =   x              So the x-intercept is  -12 .

hectictar  Dec 7, 2017
Sort:

#1
+5552
+2

C   =   2π * r          Divide both sides of the equation by  2π

C / ( 2π )   =   r

y   =   -$$\frac14$$x + 3         Multiply every term in this equation by  4 .

4y   =   -x + 12        Add  x  to both sides of the equation.

x + 4y   =   12

2x + 3y   =   9            Subtract  2x  from both sides of this equation.

3y   =   -2x + 9           Divide every term in this equation by  3 .

y   =   -$$\frac23$$x + 3

4x - 3y   =   -18         To find the y-intercept, plug in  0  for  x  and solve for  y .

4(0) - 3y   =   -18

-3y   =   -18

y   =   6                      So the y-intercept is  6 .

y   =   $$\frac12$$x + 6        To find the x-intercept, plug in  0  for y  and solve for  x .

0   =   $$\frac12$$x + 6

-6   =   $$\frac12$$x

-12   =   x              So the x-intercept is  -12 .

hectictar  Dec 7, 2017
#2
+141
+1

Thanks somuch

FunMath  Dec 9, 2017

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