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OLga [1]
3 years ago
5

2 different ways to write x/-7 in words

Mathematics
1 answer:
Ronch [10]3 years ago
4 0

Answer:

X divided by negative seven

x over negative seven (my personal favorite) :)

hope I could be of assistance.

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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
Simplify. wait for photo
Ksivusya [100]
The ans is3^1/3*9^1/3=27^1/3=3
4 0
3 years ago
Use the graph to write a linear function that relates y to x .
sergiy2304 [10]

Answer:

2y = x + 2

Step-by-step explanation:

Looking at the graph, we can see from one point to the next (from right to left), the x-value rises by 2 and the y-value by 1;

From this we can work out the gradient between two points using the formula, i.e. the change/difference in y divided by the change/difference in x:

m = \frac{dy}{dx} = \frac{1}{2}

Joining the points gives a straight line, which means a constant gradient of ¹/₂

Use the line equation formula to get the function:

y - y₁ = m(x - x₁)

m = ¹/₂

x₁ = 0

y₁ = 1

y - 1 = ¹/₂.(x - 0)

y - 1 = ¹/₂.x

2y - 2 = x

2y = x + 2

8 0
3 years ago
May someone help me out with this please please
torisob [31]
I = PRT/100 I = Simple Interest P = Principal R = Interest Rate per period T = Time ( no. of periods ) Interest = (2500×9.5×3)/100 = 712.50 Answer : $2500 - $712.50 = $1787.50
8 0
3 years ago
Which interval contains a local minimum for the graphed function?
andreev551 [17]
Use photomath bc that app always helps
8 0
2 years ago
Read 2 more answers
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