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Nesterboy [21]
2 years ago
5

Any help would be greatly appreciated

Mathematics
1 answer:
topjm [15]2 years ago
6 0

Answer:

40/49

Step-by-step explanation:

probability that a point chosen at random in the given figure will be inside the larger circle and outside the smaller circle = ( area larger circle - area of smaller circle / area of larger circle )

area of a circle = πr² where r = radius

area of smaller circle :

radius = 6

==> plug in 6 for r

A = π(6)²

==> evaluate exponent

A = 36π

Area of larger circle :

Radius = 14

==> plug in 14 for r

A = π(14)²

==> evaluate exponent

A = 196π

We have probability = area larger circle - area of smaller circle / area of larger circle

area of larger circle = 196π

area of smaller circle = 36π

probability = (196π - 36π)/196π

==> subtract 36 from 196

probability = 160π/196π

==> simplify fraction and cancel out π

probability = 40/49

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II'll mark brainliest who is the first to answer both questions correctly.
Strike441 [17]

Answer:

A) The probability that each player gets an ace, a 2 and a 3 with the order unimportant = (72/1925) = 0.0374

B) The probability of winning the jackpot = (1/1200) = 0.0008333

Step-by-step explanation:

A) There are four Aces, four 2's, and four 3's, forming a set of 12 cards

These cards are to be divided at random between 4 players.

What is the probability that each player gets an ace, a 2 and a 3.

We start with the first player, the probability of these cards for the first player, with order not important (because order isn't important, there are 6 different arrangement of the 3 cards)

6 × (4/12) × (4/11) × (4/10) = (16/55)

Then the second player getting that same order of cards

6 × (3/9) × (3/8) × (3/7) = (9/28)

Third player

6 × (2/6) × (2/5) × (2/4) = (2/5)

Fourth player

6 × (1/3) × (1/2) × (1/1) = 1

Probability that each of the players get different cards is then a multiple of the probabilities obtained above

= (16/55) × (9/28) × (2/5) × 1

= (288/7700) = (72/1925) = 0.0374

B) The concluding part of the B question.

To win the jackpot, the numbers on your ticket must match the three white balls and the SuperBall. (You don't need to match the white balls in order). If you buy a ticket, what is your probability of winning the jackpot?

Probability of wimning the jackpot is a product the probability of getting the 3 white balls correctly (order unimportant) and the probability of picking the right red superball

Probability of picking 3 white balls from 10

First slot, any of the 3 lucky numbers can fill this slot, (3/10)

Second slot, only 2 remaining lucky numbers can fill this slot, (2/9)

Third slot, only 1 remaining lucky number can fill this slot, (1/8)

(3/10) × (2/9) × (1/8) = (1/120)

Probability of picking the right red superball

(1/10)

Probability of winning the jackpot = (1/120) × (1/10) = (1/120) × (1/10) = (1/1200) = 0.0008333

Hope this Helps!!!

5 0
3 years ago
How do you solve this ?
snow_tiger [21]

a and c are the anwsers to  this it if you look at the back of the book it will give you anwsers

3 0
3 years ago
Simplify the following expression. 2^2 • 2^3
sesenic [268]

Answer:

4 × 6

Step-by-step explanation:

2^2= 4 or 2 × 2= 4

2^3= 6 or 2 × 2 × 2= 6

So, 4 × 6

8 0
3 years ago
The graph of a linear equation contains the points (3,11) and (-2,1) . Which point also lies on the graph.
Ainat [17]
The answer for this is b
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A rectangular prism must have a base with an area of no more than 27 square meters. The width of the base must be 9 meters less
NISA [10]

Answer:

you can get a good night's sleep and I will talk to you later I love you too baby girl and I Will always Love you xoxoxo I love you

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