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yulyashka [42]
2 years ago
15

Please help ‼️ Today's date is 28. What is half the date?

Mathematics
1 answer:
Lunna [17]2 years ago
8 0
Answer: 14




Explanation:
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The gas co2 is diffusin at steady state through a tube 20 cm long having a diameter of 1 cm and containing n2 at 350 k . the tot
Marrrta [24]

The value is J = 1.71*10^-6 kmol/m^2.s

According to the given conditions we get,

The length the tube l= 0.20m

The diameter of the tube d= 0.01m

The total pressure inside the tube P= 101.32kPa

The partial pressure of CO2 at the first end is

P1= 456mm Hg = 60794.832 Pa

The partial pressure of CO2 at the other end is

P2= 76mm Hg = 10132.472 Pa

The temperature is T = 298 K

The diffusion coefficient D= 1.67* 10^-5 m^2/s

Generally the molar flux of CO2 is mathematically represented as

J= D{p1-p2} / R.T

Here R is the gas constant with value R= 8.314 j/kmol

So we get J= 1.71 * 10^-3 mol/m^2.sec

Learn more about Mole on:

brainly.com/question/27270616

#SPJ4

       

       

4 0
2 years ago
Paul's mp3 player has a total of 852 songs. He has 4 different groups of songs. If he puts an equal number of songs in each grou
Igoryamba

Answer:  

There will be 213 songs in each group.

Step-by-step explanation:

Suppose, the number of songs in each group is  x

As he has 4 different groups of songs, so the t<u>otal number of songs in all 4 groups</u> will be:  (4*x)= 4x

Given that, the mp3 player has a <u>total of 852 songs</u>. So, the equation will be........

4x=852\\ \\ x=\frac{852}{4}=213

So, there will be 213 songs in each group.

5 0
3 years ago
Read 2 more answers
Because you are working a late shift, you will get an increase in your wage. You will get and additional 10% per hour from 6:00p
siniylev [52]

CHECK THE COMPLETE QUESTION BELOW:

Supervisor: "Because you are working a late shift, you will get an increase in your wage. You will get an additional 10% per hour from 6:00 PM to 12:00 AM and additional 15% from 12:00 AM to 1:00 AM." Employee: "I am working from 2:00 PM to 12:00 AM. Between 2:00 PM and 6:00 PM, I will make $12.00 per hour. Between 6:00 PM and 12:00 AM, I will make __________ per hour

Answer:

I will make $13.2 per hour

Explanation:

It can be deducted from the question that that the money Employee gets money for Working from 2.00 PM to 6.00 PM = $12per hour

Also the Employee gets additional 10% of money for working from 6.00 PM to 12.00 AM which implies that

10% = (10/100)*$12per hour

=$1.2per hour

Again, Employee gets additional 15% of the money for working from 12.00 AM to 01.00 AM which can be calculated as:

15% = (15/100)*$12per hour

=$1.8 per hour

which means that Employee gets additional $1.8 per hour

of the money for working from 12.00 AM to 01.00 AM

Therefore, if Employee works from 2.00 PM to 12.00 AM,

Employee will gets money for Working from 2.00 PM to 6.00 PM as well as the 10\% extra wage which

= $12 + $1.2 = $13.2

= \$ 12 + \$ 1.2 = \$ 13.2

7 0
2 years ago
Suppose a cell doubles every hour write an exponetial expression for the number of cells created in 24 hours
shtirl [24]
General formula of geometric sequence
an = am × r^(n-m)

a₂₄ is the number of cells after 24 hours, a₀ is the number of cells before doubling
a₂₄ = a₀ × r⁽²⁴⁻⁰⁾
a₂₄ = 1 × 2⁽²⁴⁻⁰⁾
a₂₄ = 2²⁴
8 0
3 years ago
A string of a kite is 100 meters long and it makes an angle of 60° with horizontal. Find the height of the kite and then find th
MAXImum [283]

Answer:

Height of the kite is =50 \sqrt{3} meters.

Ground distance from the kite to the person flying the kite is 50 meters.

Step-by-step explanation:

Given that a string of a kite is 100 meters long and it makes an angle of 60° with horizontal.

Which mans we are getting a shape of right angle triangle as shown in picture. Where "y" is the height of the kite and "x" is the ground distance from the kite to the person flying the kite. Now we can use trigonometric ratios to find the values of x and y.


\sin\left(60^o\right)=\frac{\left[opposite\right]}{\left[hypotenuse\right]}=\frac{y}{100}

\sin\left(60^o\right)=\frac{y}{100}

\frac{\sqrt{3}}{2}=\frac{y}{100}

\frac{\sqrt{3}}{2}*100=y

50 \sqrt{3}=y

Hence height of the kite is =50 \sqrt{3} meters.


similarly:


\cos\left(60^o\right)=\frac{\left[adjcent\right]}{\left[hypotenuse\right]}=\frac{x}{100}

\cos\left(60^o\right)=\frac{x}{100}

\frac{1}{2}=\frac{x}{100}

\frac{1}{2}*100=x

50=x

Hence ground distance from the kite to the person flying the kite is 50 meters.


6 0
3 years ago
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