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mafiozo [28]
2 years ago
7

Can anyone help me on this? IN NEED OF SOME HELP!

Mathematics
2 answers:
ZanzabumX [31]2 years ago
4 0

Answer:

2.105% is the answer!

Step-by-step explanation:

vesna_86 [32]2 years ago
4 0
The correct answer is -2.2%

Take 2.85-2.79 to get 0.06.

0.06 divided by 2.79= 0.0215.

0.0215•100= 2.15 or just 2.2.

This is a percentage decrease so the correct answer is -2.2%.
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Find the work done by gas?
salantis [7]

The work done by the gas when the gas expands will be 567.65 ft-lb.

<h3>What is the work done for an isothermal process?</h3>

The Pressure is inversely proportional to the volume.

Let the initial pressure and initial volume be P₁ and V₁, and the final volume be V₂.

Then the work done by the gas will be

WD = P₁ V₁ ln (V₂ / V₁)

A quantity of the gas with an initial volume of 2 cubic feet and an initial pressure of 700 pounds per square foot.

The gas expands to a volume of 3 cubic feet.

Then the work done by the gas will be

WD = 700 x 2 x ln (3/2)

WD = 1400 x 0.405

WD = 567.65 ft-lb

The work done by the gas when the gas expands will be 567.65 ft-lb.

More about the work done for isothermal process link is given below.

brainly.com/question/4218306

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7 0
2 years ago
Which of the following is a arithmetic sequence?
Vesnalui [34]

Answer:

What are the options

Step-by-step explanation:

6 0
3 years ago
It takes 18 hours to fill a pool using 8 garden hoses. How long would it take to fill the same pool using 9 garden hoses?
levacccp [35]
Use rates, so 8 garden hoses over 18 hours
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so then you times 9 which is about 20/9 hoses
your answer is 20
3 0
3 years ago
Read 2 more answers
90% of what number is 57
aliina [53]
To solve this, set up the equation, 90% of x being .9*x=57. Then, solve for x, x=57/.9=6 \frac{1}{3}=6.333
4 0
3 years ago
Pozele sunt atasate va rog urgeeeeent
Nookie1986 [14]

Answer:

it's not English, sorry I can't help.

3 0
3 years ago
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