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natali 33 [55]
3 years ago
14

The least common denominator of the fractions 13/12x and 7/9x is

Mathematics
1 answer:
djverab [1.8K]3 years ago
8 0
It’s 36x!! hope this helps
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How are percent transmittance and absorbance related algebraically?
statuscvo [17]

Answer:

So, if all the light passes through a solution without any absorption, then absorbance is zero, and percent transmittance is 100%. If all the light is absorbed, then percent transmittance is zero, and absorption is infinite.

Absorbance is the inverse of transmittance so,

A = 1/T

Beer's law (sometimes called the Beer-Lambert law) states that the absorbance is proportional to the path length, b, through the sample and the concentration of the absorbing species, c:  


A ∝ b · c

As Transmittance, T =\dfrac{P}{P_0}

% Transmittance, \%T=100\times T

Absorbance,

A=\log_{10} \dfrac{P_0}{P}\\\\A =\log_{10}\times \dfrac{1}{T}\\\\A=\dfrac{\log_{10} 100}{\%T}\\\\A=(2 - log_{10})\times \%T

Hence, A=\log_{10}\times \dfrac{1}{T} is the algebraic relation between absorbance and transmittance.


8 0
3 years ago
Estimate the solution to the system of equations. 7x−y=7<br><br> x+2y=6<br> ​
ElenaW [278]

Answer:

I am not sure how your teacher wanted you to estimate the answer but I solved it for you. Hopefully this helps.

Step-by-step explanation:

7x-y=7

x+2y=6

14x-2y=14

x+2y=6

add both equations

15x=20

x=20/15

x=4/3

x+2y=6

4/3+2y=6

2y=6-4/3

2y=18/3 -4/3

2y=14/3

divide both sides by 2

y= 14/3 divided by 2

y=14/3(1/2)

y=14/6

2y=

3 0
3 years ago
"Cherries cost ​$2/lb. Grapes cost ​$0.50/lb. You can spend no more than ​$3 on​ fruit, and you need at least 3lb in all. Create
ahrayia [7]
You can get two ib of grapes and one of cherry
5 0
3 years ago
Number one help please cause I have more homework after this
Alik [6]
Hope I helped!!!!!!!!!!

4 0
3 years ago
What is the difference between 9 - 4 1/5
erica [24]

Hey there!☺

Answer:\boxed{4\frac{4}{5}}

Explanation:

9-4\frac{1}{5}

Subtract the whole number by the fraction.

\frac{24}{5}

24/5 needs to be simplified so we will rewrite it like this:

4\frac{4}{5}

Hope this helps!

3 0
3 years ago
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