2 years ago

Given p = 3k + 8, express k in terms of p.

Mathematics

1 answer:

yuradex [85]2 years ago

3 0

Answer:

k = (p -8)/3

Step-by-step explanation:

To solve for k, we undo what is done to it.

p = 3k +8 . . . . . given

p -8 = 3k . . . . . . subtract the added constant

(p -8)/3 = k . . . . . divide by the multiplier

The desired expression is ...

k = (p -8)/3

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Answer:

See below.

Step-by-step explanation:

Values are excluded if they make the denominator zero, so one rational expression could be:

(x^2 - 9) / (x + 4)(x + 7)

- when x = -4 or -7 then the denominator is zero so the values of the function is undefined for these values.

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3 years ago

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Answer: see below

Step-by-step explanation:

The shape is a trapezoid

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3 years ago

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son4ous [18]

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Read 2 more answers

Determine the temperature of 2.6 moles of gas contained in a 5.00-L vessel at a pressure of 1.2atm.

strojnjashka [21]

Answer:

28.108 K.

Step-by-step explanation:

Given: Pressure (P)= 1.2atm

Number of moles (n)= 2.6 moles

Volume (V)= 5.00-L

Now finding the temperature (T).

Formula; T= $\frac{P\times V}{n\times R}$

R is a constant factor which makes other factors work together.

There is a numerical value for R which we use is $0.0821 \times \frac{L.atm}{mole.K}$

∴ Temperature (T)= $\frac{1.2\times 5}{2.6\times 0.0821 \frac{L.atm}{mol.K} }$

⇒ Temperature (T)= $\frac{6}{0.21346} = 28.1083\ K$

∴ Temperature is 28.108 K

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3 years ago