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Komok [63]
3 years ago
6

A bookshelf holds 6 different biographies and 5 different mystery novels. How many ways can one book of each type be selected?

Mathematics
1 answer:
Yuliya22 [10]3 years ago
7 0

Answer:

30

Step-by-step explanation:

Each 1 biography has 5 possible mystery novels to choose from so, for each 6 books you could choose out of 5 possible mystery books and with that being said, 5 × 6 = 30

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Explain the relationship between the legs and the hypotenuse of a right triangle.
KATRIN_1 [288]

Answer:

Step-by-step explanation:

a right triangle and hypotenuse consist of two legs. the two legs meet at a 90 degrees angle and the hypotenuse is the longest side of the right triangle

4 0
4 years ago
A circular region has a population of about 15,500 people and a population density of about 775 people per square kilometer. Fin
Reil [10]

Answer:

2.5 km

Step-by-step explanation:

First, find the area of the region:

  • A circular region has a population of about 15,500 people;
  • A population density of about 775 people per square kilometer.

So, there are 15,500 :775=20 square kilometers.

Now, let x kilometers be the radius of the circular region, then

A_{\text{circilar region}}=\pi r^2\\ \\20=\pi r^2\\ \\r^2=\dfrac{20}{\pi}\approx 6.366198\\ \\r=\sqrt{3.366198}\approx 2.523

To the nearest tenth this is 2.5 km.

6 0
3 years ago
What is the greatest common factor of 27 and 45
saveliy_v [14]

Answer:

The GCF of 27 and 45 is 9.

Step-by-step explanation:

Factors of 27: 1, 3, 9

Factors of 45: 1, 3, 5, 9, 15

The biggest number in both is 9 so the GCF is 9

4 0
4 years ago
If you triple 4 and subtract to each day how many days until you have zero
Mrrafil [7]
Do you mean subtract two each day? If so...
4x3=12 and 12 divided by 2 is 6 so it would take six days to reach zero
or
you could manually subtract two from 6 each days as in 12-2=10 (1 day), 10-2=8 (2 days), and so on...
5 0
4 years ago
If 6 out of 30 people over the age of 100 are male how many are female
Anvisha [2.4K]
Hi!

So we know that there are 30 people over 100, and 6 of them are male. That means the the rest are female. We just have to find out how much the rest is. 

To do that, we subtract
30-6 = 24

The answer is 24.

Hope this helps! :)
6 0
3 years ago
Read 2 more answers
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