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Ber [7]
3 years ago
13

1. James wants to fill a tank with water. He already has 4 gallons in the 50 gallon tank. Using the equation y=2x+4, where y is

the amount of water in the tank and x is the number of gallons pumped into the tank per minute, FE​
Mathematics
1 answer:
rusak2 [61]3 years ago
3 0
Y=2(4)+4
=12 gallons in the tank so far

50-12
=38 gallons to fill
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What is the equation of the line that passes through the points four over 5 , and one over five and then one half , and three ov
Scorpion4ik [409]
Your answer is y = -(13/3)x + 11/3. I have put the brackets to show that the entire fraction is negative, they do not do anything else.
First we need to find the slope of the line using the equation (y2 - y1)/(x2 - x1), so we get (3/2 - 1/5)/(1/2 - 4/5). To make this easier, I did each subtraction separately:
3/2 - 1/5 = 15/10 - 2/10 = 13/10
1/2 - 4/5 = 5/10 - 8/10 = -(3/10)
And then we need to divide 13/10 by -(3/10), so:
13/10 ÷ -(3/10) = 13/10 × -(10/3) = -(130/30) = -(13/3), which is our slope.
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So the final equation is y = -(13/3)x + 11/3.
I hope this helps!
3 0
4 years ago
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