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Dahasolnce [82]
2 years ago
8

Find the midpoint of the line segment with endpoints

Mathematics
1 answer:
finlep [7]2 years ago
5 0

Answer:

(-1.85, -0.15)

Step-by-step explanation:

\frac{x1  + x2}{2} , \frac{y1 + y2}{2}

Here,

x1 = -5.1

x2 = 1.4

y1 = -2

y2 = 1.7

Now substituting the values we have in the equation, we get:-

\frac{-5.1+ 1.4}{2} , \frac{-2+ 1.7}{2}

\frac{-3.7}{2} , \frac{-0.3}{2}

The coordinates of the midpoint would be = (-1.85, -0.15)

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How many gallons of a 70​% antifreeze solution must be mixed with 60 gallons of 20​% antifreeze to get a mixture that is 60​% ​a
Flura [38]

We have 60 gallons of 20% antifreeze.

How much 70% antifreeze do we add to get 60% antifreeze?

We'll make "x" the gallons of 70% we must add.

.20 * 60 + .70 x = .60 * (60 + x)

12 + .70x = 36 + .60x

.10x = 24

x = 240 gallons of 70% antifreeze.

Source

1728.com/mixture.htm (see example B)


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3 years ago
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