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Vlada [557]
3 years ago
12

Find the value of x.

Mathematics
1 answer:
OLga [1]3 years ago
3 0

Answer:

4)55

5)23

Step-by-step explanation:

4) x=21+34=55

5)100-51=2x+3

2x = 46

x=23

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the pressure, P, of a gas varies inversely with its volume, V. pressure is measured in units of PA. Suppose that a particular am
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The pressure is 39 Pa if the volume is expanded to 168L and the pressure, P, of a gas varies inversely with its volume, V.

<h3>What is a proportional relationship?</h3>

It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.

We have:

The pressure, P, of a gas varies inversely with its volume, V.

P ∝ 1/V

P = k/V

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If P = 126 Pa and V = 52 L

126 = k/52

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P = 6552/V

Plug V = 168 L

P = 6552/168 = 39 Pa

Thus, the pressure is 39 Pa if the volume is expanded to 168L and the pressure, P, of a gas varies inversely with its volume, V.

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When we are looking at rounding, we round to the number that our fraction or decimal is located. So, since we are rounding to the nearest whole number, given our original mixed number (7 \frac{4}{5}) our answer will be either 7 or 8.

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Answer:

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