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kogti [31]
3 years ago
7

There are four nickels, three dimes, and three quarters in your pocket. You randomly pick three coins and place them on a counte

r. The first coin is a nickel, the second is a dime, and the third is a quarter. Find the probability of this occurring.
Mathematics
1 answer:
kupik [55]3 years ago
3 0

Total coins = 10 ( 4 + 3 + 3 = 10).

The probability of picking a nickel first = 4/10 = 2/5 ( 4 nickels out of 10 total).

The probability of picking a dime second = 3/9 = 1/3 ( 3 dimes out of 9 coins left).

The probability of picking the third coin as a quarter = 3/8 ( 3 quarters out of 8 coins left).

The probability of picking all three in that order = 2/5 x 1/3 x 3/8 = 1/20

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'Il
Tresset [83]

The area of the rectangle will be 150 square meters.

<h3>What is an area?</h3>

The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the rectangle in a two-dimensional plane is called the area of the rectangle.

Given that:-

  • The length of a rectangle is 5 m longer than its width.
  • The perimeter of the rectangle is 50 m.

The area will be calculated as follows:-

From the given condition in the question, we can form two linear equations they are:-

The length of a rectangle is 5 m longer than its width.

L = w + 5

L - w = 5

The perimeter of the rectangle is 50 m.

P = 2 (L + w )

2 ( L+ w ) = 50

L + w = 25

by solving the two equations we will get the values of L and w.

L - w = 5  or w = L - 5

L + w = 25

L + L - 5 = 25

2L = 30

L = 30 / 2

L = 15

Put the value of L in any equation to get w.

L - w = 5

15 - w = 5

w = 10

Now the area of the rectangle will be:-

A = L x w

A = 15 x 5

A = 150 square meters.

Therefore the area of the rectangle will be 150 square meters.

To know more about an area follow

brainly.com/question/25292087

#SPJ1

3 0
2 years ago
25/5=9/5 divided by 5/1
weeeeeb [17]

9/5= 1.8 and 5/1= 5 so 1.8/5= 0.36 or 36/100 /2 18/50 9/25 answer : .36 or 9/25

6 0
3 years ago
Please help!!!!!!!!!!!!​
riadik2000 [5.3K]

Answer:

Hey u want to join a meet and we can help u out I swear it's going to be fun yzn-dggf-jcq

6 0
3 years ago
Please help me find the distance from A to B
Vesnalui [34]
12 times 8=96
6x=96
Divide by 6
X=16

12^2+16^2= 400
Sq rt of 400 =20
Answer D
4 0
4 years ago
When Johan calculates how much interest he must pay, he calculates as follows: SEK 0.045-620,000 = SEK 6,975/4
ryzh [129]

Answer:

its b

Step-by-step explanation:

7 0
3 years ago
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