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PilotLPTM [1.2K]
3 years ago
8

Between 11 P.M. and 8:54 A.M.​, the water level in a swimming pool decreased by 11/20. Assuming that the water level decreased a

t a constant​ rate, how much did the water level drop each​ hour?
Mathematics
1 answer:
lisabon 2012 [21]3 years ago
6 0
1 each hour 20-11=9 there is 9 hours between 11pm and 8:54am so 1 per each hour hope that it helped ;)
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1. if a = 16 and b= 12, find c
klasskru [66]

Answer:

20

Step-by-step explanation:

The pythagorean theorem states that

a^2+b^2=c^2

So 16^2 + 12^2 = c^2\\256+144 = c^2\\400 = c^2

You would then do

400 = c^2\\\sqrt{400} = c

Because a square root is the opposite of a square.

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because 20 * 20 = 400

7 0
3 years ago
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brilliants [131]

Answer:

x=7

step-by-step explanation:

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5(2x+10) =3×40

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saw5 [17]
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Hope this helped! :)
3 0
3 years ago
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Please I need an answer
Vitek1552 [10]
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4 0
3 years ago
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A cab company charges according to the following rate chart. Which graph correctly represents the charge, y, in dollars for a ca
77julia77 [94]

The graph is the one that correctly represents the linear piece-wise function is the first graph.

<h3>How to solve for the graph</h3>

First we have a linear function as

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b = y-intercept, y value as x = 0

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at 2 dollars

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15 + 2*4

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