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Step-by-step explanation:

1. 18.25/25 written as 1825/25

2. 1825/25= 73

3. Put the decimal before 73

4. .73

Answer:

multiply numerator and denominator with 4 so that denominator becomes 100 then put decimal before 73 because denominator has 2 zeros.

Answer:

2[tex]\frac{1}{7}[/tex]

Step-by-step explanation:

Divide the numerator by the denominator.

so,

7 ÷ 15 = 2 with 1 as the remainder.

so we follow Q [tex]\frac{r}{d}[/tex]

(Q as the number beside the fraction)

( Q = quotient, r = remainder, d= divisor/denominator)

2[tex]\frac{1}{7}[/tex] is the answer

Now to check if the answer is correct, we can

Multiply 2 by 7 and add 1 and leave the denominator= [tex]\frac{15}{7}[/tex]

Answer:

Hence, 15/7 will be equal to [tex]2\frac{1}{7}[/tex] in mixed fractions.

Step-by-step explanation:

In context to question asked,

We have to convert 15/7 into mixed fraction.

As we know that,

Mixed fraction is the sum of proper and improper fractions.

So, for converting the given fraction into mixed fraction we need to divide the numerator of fraction by denominator of fraction.

So, we can write 15/7 as,

[tex]\frac{15}{7} = \frac{(7\times 2)+1}{7}\\=>2\frac{1}{7}[/tex]

Answer:

Answer:-

V

(av.)

O

2

=

π×32

8RT

V

(RMS)

N

2

=

28

3RT

V

(RMS)

N

2

V

(av.)

O

2

=

π×32×3

8×28

=

3π

7

=(

3π

7

)

2

1

The ratio of average speed of CO₂ and N₂O is

Average Speed: It is the sum of speed of all the molecules divided by the total number of molecules.

Formula for calculating Average speed of molecules:

                                =  [tex]\sqrt \frac{8RT}{\pi M}[/tex]

                    where, R = Universal Gas Constant

                                 T = Temperature

                                 M = Molecular weight of Gas

Average speed of CO₂ = [tex]\sqrt \frac{8RT}{\444\pi }[/tex]      (molecular weight of CO₂ = 44gm)

Average speed of N₂O = [tex]\sqrt \frac{8RT}{44\pi }[/tex]      (molecular weight of N₂O = 44gm)

By calculating, ratio of average speed of CO₂ and N₂O = 1:1

Therefore, at constant temperature the ratio of average speed of carbon dioxide and nitrous oxide will be 1:1

Answer:

I hope this answers is useful for you thak you

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