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FRANCISCOROSEMARIE64IN
Answered

you are assigned to help sanitize the school. the amount y (in gallons) ,of chlorine remaining In a chlorine tank after disinfecting x hours is y = - 4× + 16.
a. determine the x and y intercept
b.how many hours have passed if there are 3 gallons left?

pa answer po thank you​

Sagot :

GINOHANDUGAN2004IN

Answer:

a. (4,16)

b. 3¼ hours

Step-by-step explanation:

a.) y = –4x+16

•Determine x-intercept, let y=0

0 = -4x + 16

-16= -4x

4 = x

•Determine y-intercept, let x=0

y = -4(0) +16

y = 16

b.) let y(number of gallons) = 3

let y(number of gallons) = 3 let x= hours passed

3 = -4x + 16

-13 = -4x

13/4 = x or x = 3¼

GWENMUNI24IN

Answer:

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