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Alex777 [14]
2 years ago
10

Find a​ point-slope form for the line with slope

Mathematics
1 answer:
Katen [24]2 years ago
7 0

Answer:

It is Third quardant in Graph

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If you measure a tds of 1.4%, and you used a brew ratio of 15, what is the percent extraction?
sweet-ann [11.9K]
Answer: the extraction is 18.2%.

Explanation:

Let's see few definitions:
TDS = Total Dissolved Solids = solids dissolved in the brew
PE = Percent Extraction = percent of solids extracted from the dry coffee grounds

The percent extraction can be calculated by the formula:
PE = TDS × Rm

where
Rm = ratio between the mass of the brew and the mass of dry grounds

Now, you need to consider the following facts:
1) every 1g of coffee absorbs 2g of water
2) the given brew ratio is 1:15, which means that for every 1g of grounds we use 15g of water

Let's call
x = grams of coffee grounds we want to use
Therefore the mass of the brew will be: 
m(brew) = water we use - water absorbed by the coffee
              = 15·x - 2·x
              = 13·x

Therefore,
Rm = m(brew) / x
       = 13·x / x
       = 13

Hence, the percent of extraction will be:
PE = <span> TDS × Rm
      = 1.4 </span>× 13
      = 18.2
4 0
3 years ago
Write three hundred eighty-seven thousandths as a decimal number.<br>​
Valentin [98]

Answer:

0.387

Step-by-step explanation:

3 0
3 years ago
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If you double a number and then add 1616​, you get two fifths 2 5 of the original number. what is the original​ number?
Scilla [17]
Let the original number be x.

Acc. to the question,
     2x+1616=(2/5)x
or, 10x+8080=2x
or, 10x-2x= -8080
or, 8x= -8080
or, x= -8080/8
or, x = -1010

Therefore, the original number is -1010
4 0
3 years ago
Ccompares 3.67( )36.7
GalinKa [24]

Answer:

36.7 > 3.67

Step-by-step explanation:


5 0
3 years ago
A soap factory randomly inspects 100 bars of soap to better identify problems that occur during the manufacturing
Mekhanik [1.2K]

Answer:

idk

Step-by-step explanation:

sorry

8 0
3 years ago
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