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BARSIC [14]
3 years ago
8

70 POINTS QUESTION ATTACHED (actually attached this time lol)

Mathematics
2 answers:
hram777 [196]3 years ago
8 0

Answer:

sqrt1/25 sqrth^^2

1/5 h

Step-by-step explanation:

omeli [17]3 years ago
6 0

Answer:

(1/5 h)^2

Step-by-step explanation:

1/25 h^2

To make this a perfect square we need to take the square root and then square it

(sqrt(1/25 h^2))^2

we know that sqrt(ab) = sqrt(a) sqrt(b)

(sqrt(1/25) sqrt(h^2))^2

(1/5 h)^2

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Fed [463]

Answer:

Molar mass = 254.60g/mol

Step-by-step explanation:

Mass = 8.02g

Volume = 812mL = 0.812L

Pressure (P) = 0.967atm

Temperature of the gas = 30°C = (30 + 273.15)K = 303.15K

Molecular weight = ?

To solve this question, we'll have to use ideal gas equation, PV = nRT

P = pressure of the gas

V = volume of the gas

n = number of moles of the gas

R = ideal gas constant = 0.082J/mol.K

T = temperature of the gas

PV = nRT

n = PV / RT

n = (0.967 * 0.812) / (0.082 * 303.15)

n = 0.7852 / 24.8583

n = 0.0315 moles

Number of moles = mass / molarmass

Molarmass = mass / number of moles

Molar mass = 8.02 / 0.0315

Molar mass = 254.60g/mol

The molar mass of the gas is 254.60g/mol

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3 years ago
You are a mechanic. You have been given an engine job time of 0.7 hour about how many minutes should you allow for the job
vitfil [10]
I would allow 42 minutes for the job
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3 years ago
Elena is thinking about putting $200 in a savings account that earns 4% interest compounded semiannually. She wants to keep that
Nastasia [14]
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8 0
3 years ago
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Which of the following is a geometric sequence
Romashka [77]

Answer:

C. -3, 3, -3, 3, ...

Step-by-step explanation:

-3×-3 = 3

3×-3 = -3

etc...

Hope this helps! :)

4 0
2 years ago
Read 2 more answers
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Mars2501 [29]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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