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Eduardwww [97]
3 years ago
9

Giving brainliest!!!!!!! Please be correct if you don’t know the answer don’t andwer

Mathematics
1 answer:
mars1129 [50]3 years ago
3 0

Answer:

C

Step-by-step explanation:hope this helps have a great day =D

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When playing American​ roulette, the croupier​ (attendant) spins a marble that lands in one of the 38 slots in a revolving turnt
neonofarm [45]

Answer:

Check the explanation

Step-by-step explanation:

1) probability for odd or 00 = (18+1)/38 = 0.5

2) expected value can be calculated as follows :

14 * win probability - 13 * lose probability

=14 * (18/38) - 13*(20/38)

= -0.21

7 0
3 years ago
Read 2 more answers
50,000 contestants participate in an on-line game. The game randomly eliminates 20% of the contestants each day. Determine the n
irga5000 [103]

Answer:10,486 contestants

Step-by-step explanation:

First day:

Total number of contestants at the beginning = 50,000

After first day, 20% 0f 50,000 are removed.

That is, (20/100)×50,000 = 10,000

Contestants remaining after first day = 50,000-10,000 = 40,000

Second day:

Contestants= 40,000

20% removed

That is (20/100)×40000=8000

Balance =40000-8000=32,000

Third day:

Contestants= 32000

20% removed

That is (20/100)×32000=6400

Balance =32000-6400=25,600

Fouth day:

Contestants= 25,600

20% removed

That is (20/100)×25,600=5,120

Balance =25,600-5,120=20,480

Fifth day:

Contestants= 20,480

20% removed

That is (20/100)×20,480=4096

Balance =20,480-4096=16,384

Sixth day:

Contestants= 16,384

20% removed

That is (20/100)×16,384=3276.8

Balance =16,384-3276.8=13,107.2

Seventh day:

Contestants= 13,107.2

20% removed

That is (20/100)×13,107.2=2621.44

Balance =13107.2-2621.44=10485.76

Therefore, number of contestants remaining after one week equals 10,486.

6 0
3 years ago
It costs Sally 20 cents to make a cup of lemonade, and she sells each cup for 50 cents. She is using the following identity to c
mote1985 [20]

She would make 3.00 dollars


50(10) - 20(10) = (10)(50 - 20)

500 - 200 = (10 * 30)

300 = 300


(10)(50 - 20) = 30(10)

(10 * 30) = 300

300 = 300

3 0
3 years ago
Moscow: -5.5°C Cold Lake: -17.5°C Choose the correct inequality symbol to complete the inequality statement, -5.5°C ________ -17
aleksandrvk [35]

Answer:

-5.5°C > -17.5°C

Step-by-step explanation:

Since -5.5 is larger than -17.5

8 0
2 years ago
Please help me with ptomblem
marysya [2.9K]

Answer:

When p^2 - 4p is subtracted from p^2 + p - 6, the result is 5p - 6. To get p - 9, subtract 4p + 3 from the result.

Step-by-step explanation:

✔️Subtracting p^2 - 4p from p^2 + p - 6:

(p^2 + p - 6) - (p^2 - 4p)

p^2 + p - 6 - p^2 + 4p (Distributive property)

Collect like terms

p^2 - p^2 + p + 4p - 6

5p - 6

✔️Subtracting p - 9 from 5p - 6:

(5p - 6) - (p - 9)

5p - 6 - p + 9 (distributive property)

Add like terms

4p + 3

3 0
2 years ago
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