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Alisiya [41]
2 years ago
14

Hey, if anyone is good at Algebra 2, please help with this problem! "The AP chemistry class is mixing 100 pints of liquid togeth

er for an experiment. Liquid A contains 10% acid, liquid B contains 40% acid, and liquid C contains 60% acid. If there are twice as many pints of liquid A than liquid B, and the total mixture contains 45% acid, find the number of pints needed for each liquid."
Mathematics
1 answer:
Gelneren [198K]2 years ago
5 0
I m. .

. Za v cap rf
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14 is what percent of 28?
Butoxors [25]
50%. If you divide 28 by 14, (14/28), you’d get 0.5. Move the decimal place two places to the right, and that’s 50% :)
7 0
1 year ago
Read 2 more answers
What is the slope of the line that passes through the points (-3, 5) and (1, 7)?
Stells [14]

Answer: The slope of the line is \frac{1}{2}

Step-by-step explanation:

The slope of a line can be calculated with the following formula:

m=\frac{y_2-y_1}{x_2-x_1}

Then, given the points (-3, 5) and (1, 7), you can identify that:

y_2=5\\y_1=7\\\\x_2=-3\\x_1=1

Knowing these values you can substitute them into the formula for calculate the slope:

m=\frac{5-7}{-3-1}

Finally, evaluating, you get that the slope of that line is:

m=\frac{-2}{-4}\\\\m=\frac{1}{2}

8 0
3 years ago
A mixture of pulverized fuel ash and Portland cement to be used for grouting should have a compression strength of more than 130
nekit [7.7K]

Answer:

The null hypothesis is: u >= 1300 KN/m^2

And the alternative hypothesis is:

u < 1300 KN/m^2.

Step-by-step explanation:

The null hypothesis describes hat there is no difference or assiciation between variables of a specific population or that it is a particular average value while the alternative hypothesis states otherwise.

In this case study, the null hypothesis is: u >= 1300 KN/m^2

And the alternative hypothesis is:

u < 1300 KN/m^2.

7 0
3 years ago
All of the following ratio are equivalent to the ratio 5/8 EXCEPT
hammer [34]
The best answer here would be choice B
4 0
3 years ago
I'm giving branliest 2X - 3y = 12 in a standard and point slope form ​
iogann1982 [59]
In slope intercept form it is y=2/3x-4
In point slope form it is 2/3x-y-4 :)
5 0
3 years ago
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