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KengaRu [80]
3 years ago
10

NEEED HELP ASAP

Mathematics
1 answer:
Andru [333]3 years ago
6 0

Question 1:

14 m × 10 m

Question 2:

0.8 ft × 1 ft

Question 3:

True

Question 4:

10 square units

Question 5:

More than 2

Question 6:

(Sorry I can't answer this question since there is no graphic shown)

Question 7:

(Again, there's no picture, therefore I can't answer your question)

Question 8:

37.7 feet

Question 9:

7.1 square feet

Question 10:

Rectangle

Question 11:

Sorry there is no picture to go with the problem so I can't help you :(

Sorry I couldn't answer all of the questions. I hope this help you though.

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3 years ago
Read 2 more answers
The pressure and volume of an expanding gas are related by the formula PV^b=C, where b and C are constants (this holds in adiaba
bazaltina [42]

The dP/dt of the adiabatic expansion is -42/11 kPa/min

<h3>How to calculate dP/dt in an adiabatic expansion?</h3>

An adiabatic process is a process in which there is no exchange of heat from the system to its surrounding neither during expansion nor during compression

Given b=1.5, P=7 kPa, V=110 cm³, and dV/dt=40 cm³/min

PVᵇ = C

Taking logs of both sides gives:

ln P + b ln V = ln C

Taking partial derivatives gives:

\frac{1}{P}\frac{∂P}{∂t}  + \frac{b}{V}\frac{∂V}{∂t} = 0

Substitutituting the values b, P, V and dV/dt into the derivative above:

1/7 x dP/dt +  1.5/110 x 40 = 0

1/7 x dP/dt +  6/11 = 0

1/7 x dP/dt = - 6/11

dP/dt = - 6/11 x 7

dP/dt = -42/11 kPa/min

Therefore, the value of  dP/dt is -42/11 kPa/min

Learn more about adiabatic expansion on:

brainly.com/question/6966596

#SPJ1

4 0
1 year ago
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