How much sodium thiosulfate would you need to lower the free chlorine from 18 ppm to 2.0 ppm in a 150,000-gallon pool?

the answer is d. (1.2, -4.7) on edgn

hope this !

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168

first 15 divide by 2 = 7.5

100 divided by 7.5 is 13.

15 / 2 = 7.5

100 / 7.5 = 13.

d. 5

step-by-step explanation:

f(x) + n - shift a graph n units up

f(x) - n - shift a graph n units down

f(x + n) - shift a graph n units to the left

f(x - n) - shift a graph n units to the right

on the picture we can see:

the graph g(x) was made by shifting the graph f(x), 5 units to the left.

therefore g(x) = f(x + 5) → k = 5

look at the picture.