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Ghella [55]
3 years ago
6

The average age of a college is 21.8 years. The average age of students of college is 24.2 years and average age of lecturers of

college is 20.6 years. Find the ratio of the number of students to that of lecturers?​
Mathematics
1 answer:
boyakko [2]3 years ago
7 0

Answer:

22,2

Step-by-step explanation:

average also known as mean

so you find it by adding all the numbers together and dividing them by how many there are

so 21,8 + 24,2 + 20.6 = 66,6 divided by 3 equals 22,2

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Answer:

I think it would be finding the quantity in each group.

Step-by-step explanation:

Because there would be more than 1 group. there is only one group. so you are trying to find the number of hours each person in the group will get.

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The blank is 3. 

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6 0
3 years ago
The density of silver (Ag) is 10.5 g/cm3. Find the mass of Ag that occupies 965 cm3 of space.
Luda [366]

Answer:

<h3>The answer is 10132.5 g</h3>

Step-by-step explanation:

The mass of a substance when given the density and volume can be found by using the formula

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From the question

volume of silver = 965 cm³

density = 10.5 g/cm³

The mass of silver is

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We have the final answer as

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4 years ago
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Answer:

30.7

Step-by-step explanation:

It's 30.7 because 707/23

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