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arsen [322]
3 years ago
7

How many ways can two students be chosen from a group of four? 4 6 14 10

Mathematics
1 answer:
taurus [48]3 years ago
8 0

Answer:

6

Step-by-step explanation:

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A circle with a radius of 10 inches is placed inside a square with a side length of 20 inches. Find the probability that a dart
melamori03 [73]

Answer:

The correct answer is last option 78.5%

Step-by-step explanation:

Points to remember

Area of circle = πr²

Where r is the radius of circle

Area of square = a²

Where 'a' is the side length of square

<u>To find the area of circle</u>

Here r = 10 cinches

Area =  πr²

 =  3.14 * 10²

 = 3.14 * 100 = 314

<u>To find the area of square</u>

Here a = 20 inches

Area = a²

 = 20²

 = 400

<u>To find the probability percentage</u>

Probability = area of circle/Area of square

 = (314/400)*100

 78.5 %

7 0
2 years ago
Read 2 more answers
Maria Spent 40 minutes chatting online. How many minutes did she spend playing games?
Aleks [24]
She spent 10 minutes. 25% x 40 = 10.
5 0
3 years ago
Read 2 more answers
Consider the set T = {1, 2, 3, 4, 5, 6}. Let R = {(a, b) | a divides b} be a relation on the set T. Identify the missing ordered
serg [7]

Answer:  The missing ordered pairs are  (2, 2), (2, 4), (2, 6), (3, 3) and (3, 6).

Step-by-step explanation:  We are given the following set :

T = {1, 2, 3, 4, 5, 6}.

And, R = {(a, b) | a divides b} be a relation on the set T.

We are to identify the missing pairs from the following list of all ordered pairs in the given relation R on the set T :

{(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6), _____, (4, 4), (5, 5), and (6, 6).}.

Since R contains the ordered pairs (a, b) such that a divides b, so all the ordered pairs in R are

(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6), (2, 2), (2, 4), (2, 6), (3, 3), (3, 6), (4, 4), (5, 5), and (6, 6).

Thus, the missing ordered pairs are  (2, 2), (2, 4), (2, 6), (3, 3) and (3, 6).

4 0
3 years ago
Certain gases in the atmosphere trap heat on Earth.
erik [133]
<span>C.
glacial melting<<<<<<<<<<<<<<<</span>
4 0
3 years ago
Help ASAP will give brainly for CORRECT ANSWER
Pie

Answer:

2cnd one 3rd one 4th one last one

Step-by-step explanation:

4 0
2 years ago
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