Answer:
y=2x+14
Step-by-step explanation:
y=mx+b
(6)-(-2) over (-4)-(-8) = 8 over 4= 2
y=2x+b
y-y1=m(x-x1)
y-(-2)=2(x-(-8))
y+2=2x+16 subtract 2 on each side
y=2x+14
Answer:
Step-by-step explanation:
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Answer:
About 39,402.
Step-by-step explanation:
You need to find the 46% of black cars.
The slope would be - 1/2 !!
you would number the x and y values of the coordinates.
( -2 , 5 ) ( -6 , 7 )
x1. y1. x2. y2
then do the formula that gives you the slope y2 - y1 / x2 - x1
this gives you:
7 - 5 / -6 - (-2) = 2/ -4 (simplify) -1/2
so this would give you m= -1/2
Answer:
45
Step-by-step explanation:
These work problems are always done in terms of fractions ie if both (Kevin & Eric) took 30mins to mow and Kevin took 1.5hrs (90mins) alone then we can make an equation like below
1/time took for both = 1/time took for Kevin + 1/time took for Eric
1/30 = 1/90+1/x ==> calling time took for Kevin x
solving the above 1/x = 1/30-1/90
1/x=2/90
x=45
