Paint cost $9.95 per gallon.Nikki needs 2.5 gallons to complete a painting project. How much will Nikki spend on paint
2 answers:
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I think that will be the answer and the graph i take it for leter
we are given
y varies directly with x
so, we can write equation as
where
k is a constant
now, we need to find k
we are given
y=3 when x=8
so, we can plug it and find k
now, we can plug it back
(A)
we have got equation as
for finding inverse , we can switch x and y
now, we can solve for y
............Answer
(B)
we have
we can plug x=4 and find y
................Answer
T is the midpoint of the line, meaning that in line SU, line ST and line TU are of equal length, since T is at the middle of the line.
Hope this helps. 頑張って!