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leonid [27]
3 years ago
9

What’s the answers? How do i know it’s correct.

Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0

The unit rate would be the slope, which is given in the equation as 18.25

To find if the given point would be on the graph, replace x with the x value of the point, solve the equation and see if it equals the Y value of the point:

Equation: y = 18.25x

Point: (8,146)

Solve: y = 18.25(8) = 146

This equals the y value of the given point, so this would be on the graph.

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PLEASE HELPPPPPPP
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

3 0
3 years ago
Please help!
kirill115 [55]

Answer:

73 and 113 / 144 ft^2

Step-by-step explanation:

Lets convert everything into pure feet.

10ft 5in = 10 and 5/12 feet = 125/12 feet

14ft 2in = 14 and 1/6 feet = 85/6

Now lets calculate area:

1/2 * 125/12 * 85/6 = 125*85 / 144 = 73 and 113/144

3 0
3 years ago
How do I figure this one out?
Inessa [10]
9k2-12k+4

(k2-6k)+(-6k+4) factor out the 3k from 9k2 0 6k: 3k(k-2) factor out -2 from -6k +4n: -2 (3k-2) factor out common term (3k-2) = (3k-2 ) (3k-2) that equals (3k-2)2
5 0
3 years ago
Simplify: 3x + 4y + 7x - 2y
tresset_1 [31]

Answer:

10x+2y

Step-by-step explanation:

combine like terms

8 0
2 years ago
Read 2 more answers
Calculate p² +3q when p=2 and q=2​
QveST [7]

Answer:

10

Step-by-step explanation:

p² +3q

= 2² +3*2

=4 + 6

=10

4 0
3 years ago
Read 2 more answers
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