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Lunna [17]
3 years ago
15

Please help!! Geometry problem!

Mathematics
1 answer:
Vika [28.1K]3 years ago
4 0
A pentagon, 5 sides, all internal angles add up to 720°, so wen u do the maths, X=5
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2 years ago
EMERGENCY HELP! A steady stream of water flows into a partially-filled rectangular tank. After 6 minutes, there are 87 gallons o
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Answer:

y=9x+33

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Step-by-step explanation:

So we essentially are given two coordinates: (6,87) and (21,222). To find an equation, we simply need to find the slope and y-intercept. We know it's a linear equation because it's a steady stream, meaning a constant slope.

The slope is:

m=\frac{y_2-y_1}{x_2-x_1}=\frac{222-87}{21-6}=135/15=9

So, the rate at which the stream flows is 9 gallons per minute.

Now, let's find the initial amount of water. To do this, we can use point-slope form. Pick either of the two points. I'm going to use (6,87).

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So, there were 33 gallons of water in the tank to begin with.

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3 years ago
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