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2 years ago

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A scientist mixes x liters of water into a container that has 10 liters of a mixture that is 12% salt and 88% water. The functio

n f(x) = 1.2 / (x+10) represents the percent of the sat in the new mixture. How many liters of water must be added to make 1% salt mixture

1 answer:

dsp732 years ago

5 0

Answer:

110 liters of water

Step-by-step explanation:

Let

x ----> liters of water

f(x) ----> the percent of the sat in the new mixture

we have

$f(x)=\frac{1.2}{x+10}$

For $f(x)=1\%=1/100=0.01$

substitute in the equation

$0.01=\frac{1.2}{x+10}$

solve for x

$x+10=\frac{1.2}{0.01}$

$x+10=120\\x=120-10\\x=110\ L$

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Step-by-step explanation:

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Next, we shall determine the gradient of the line perpendicular to the line with equation 5y = 8 – 4x.

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x1 coordinate = k

y1 coordinate = 4

x2 coordinate = 3

y2 coordinate = –6

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m = (y2 – y1) / (x2 – x1)

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<u>Center of mass</u>

<em>Coordinate x</em>

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Let W be the wire. We can consider W=(x(t),y(t),z(t)) as a path given by the parametric functions

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