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Tems11 [23]
3 years ago
15

How much pure alcohol must be added to 3 liters of 10% alcohol to obtain 18% alcohol?

Mathematics
1 answer:
sattari [20]3 years ago
3 0
Just do math or ask ur teacher
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Every integer is an irrational number.<br><br> True<br><br> False
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Answer: true

Step-by-step explanation:

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3 years ago
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I NEED A MATH WIZ!
valentinak56 [21]
So each of these statements are talking about the square footage of land per person. Let's go and find it!

First off, let's find the number in each building of the original complex:
280 people / 4 buildings

Each building has an equal number of residents. So just divide:
280/4 = 70.

So 70 residents per building

Now consider the fact that once a new building is built, another 70 people will move in.
280 + 70= 350

350 people total.

Then lets look at the plot of land
Originally, there are 200,000 square feet of land for the 4 buildings. Then after the expansion, the plot of land will be:
200,000 + 200*200
= 200,400

Go back to the question. What's the effect of the expansion in terms of square feet of land per person?
Divide!
200,400 / 350
Approximately = 572.57 square feet

Then since it's being compared to the amount each resident had before the expansion, do the same thing with the corresponding numbers:
200,000 / 280
Approximately = 714.29

So how much will each person's land decrease?
714.29 - 572.57 approximately = 141.72 square feet.

The answer is the first choice!

Hope this helps
4 0
3 years ago
The amount of change that goes up. percent of amount?percent of change? percent of increase? percent of decrease?​
sweet [91]
the percentage increase
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To form Figure 1, 6 toothpicks are required, while Figure 2 requires 11 toothpicks.
timurjin [86]

Answer:

D.

Step-by-step explanation:

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8 0
2 years ago
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A parking lot occupies a rectangular space measuring 120m by 80m. The owner wants to increase the parking lot by 25%. What would
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