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Natasha2012 [34]
3 years ago
7

Compare and contrast an extinct species and an endangered species​

Mathematics
1 answer:
ollegr [7]3 years ago
6 0
Extinct species are species that do not exist anymore today whilst endangered species are species which there are few left of and the main causes are habitat destruction or are being hunted
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ABCD is a square. What is the length of line segment DC? 5 units 7 units 11 units 13 units PLS HURRY!!!
daser333 [38]
All sides are equal in a square

x+6=2x-1
6+1=2x-x
x=7

One side of the square measures 7+6 = 13

Hence, side DC is 13 units
6 0
4 years ago
Read 2 more answers
A group of health care providers consists of 4 doctors, 3 dentists, and 5 nurses. How many combinations of 2 health care provide
Paraphin [41]

The number of combinations of 2 health care providers of different types possible are 47.

<u>Explanation:</u>

<u></u>

Doctors = 4

Dentists = 3

Nurses = 5

combinations of two different health care providers = ?

Combination would be = ⁴C₁ X ³C₁ + ³C₁ X ⁵C₁ + ⁴C₁ X ⁵C₁

ⁿCₐ = n! / ( n - a )!  X a!

So on calculating the combination we get,

= 4 X 3 + 3 X 5 + 4 X 5

= 12 + 15 + 20

= 47

Therefore, the number of combinations of 2 health care providers of different types possible are 47.

6 0
4 years ago
Express the ratio as a fraction in simplest form. 15:45 2/3 3/9 1/3 5/16
ankoles [38]

Answer:

3/9

Step-by-step explanation:

15/45

divide both sides by a factor of each number; I'll be using 5.

3/9

It didn't have to be 5, I could have used 3, but in that case It wouldn't have been it's simplest form and I would have to divide again by another factor.

3 0
2 years ago
(I will give brainliest, a thanks, 30 points, and 5 stars if you can answer these 2 questions)
dimulka [17.4K]

Answer:

1. 9 pi, 2. 121 pi

Step-by-step explanation:

The formula for circumference is pi d. So for the first question the radius would be three. The you do pi r ^2 for area so 3 times pi squared. Which is 9 pi. For the second you will do the same thing you will do 22 pi divided by 2 which is 11 pi then you will square 11pi and get 121 pi

4 0
4 years ago
Find the missing side of The Triangle ​
saul85 [17]

Step-by-step explanation:

By phythagorous theorem,

AC²=AB²+BC²

AC²=36+64

AC²=100

AC=root of 100

AC=10

7 0
3 years ago
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