Find the sum and express it in simplest form.
1 answer:
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Well, their speeds are (
is Jack's speed, and 
is Richard's.
They, together, can paint 12 houses in 35 days. To get a single house, we only have to calculate
which is very close to 3 (a bit below)
They, together, can paint 12 houses in 35 days. To get a single house, we only have to calculate
Answer:
-8=2x-y get this into y=mx+b form to find the y-intercept
-y=-2x-8
y=2x+8
the y-intercept is 8 so it passes through (0,8)
to find the x-intercept, set y to equal zero
0=2x+8
-8=2x
x=-4
the x-intercept is -4 so it passes through (-4,0)
the slope is 2 based on the slope-intercept form
we are given
we can write it in terms of exponents
Firstly , we will simplify numerator
now, we can add exponents
we can cancel it
and we get
............Answer