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Harlamova29_29 [7]
3 years ago
12

¿cuantos kilogramos de agua deben evaporarse de 75kg de una solucion salina al 15% para producir una produccion al 20%?

Mathematics
1 answer:
dimulka [17.4K]3 years ago
8 0
Earning points would be the correct answer
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What percent of 32 is 21? Round your answer to the nearest tenths
bazaltina [42]

Answer:

65.63%

Step-by-step explanation:

21: 32*100 =

(21*100): 32 =

2100: 32 = 65.63

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4 years ago
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7 0
2 years ago
Distance formula for (3,-2) and (5,-3)
Soloha48 [4]

Answer:

d = 2.2

Step-by-step explanation:

Using the distance formula, you would plug in the numbers into the equation. d = √(5 - 3)^2 + ( -3 + 2)^2. So (5 - 3) is 2, and (-3 + 2) is -1. Then square both of the answers, and the equation becomes, d = √4 + 1. And that equals 5, so then you would find the square root, which would be approximately 2.2

7 0
3 years ago
some say that to brew an excellent cup of coffee, you must have a brewing temperature off 200 degrees, plus or minus five degree
ASHA 777 [7]
Your equation for the maximum brewing temperature should be x = 200 + 5 because according to your word problem, the temp. can be five degrees above 200 degrees. 

x = 200 + 5 
x = 205

Your equation for the minimum brewing temperature should be x = 200 - 5 because according to your word problem, the temp. can be five degrees below 200 degrees.

x = 200 - 5
x = 195


8 0
3 years ago
Find the zeros of f(x)=(x-3)^2-49, algebraically.
Phantasy [73]

Answer:

-4 and 10

Step-by-step explanation:

let me know if this is incorrect

4 0
3 years ago
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