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kaheart [24]
3 years ago
11

Geometry 100 pts plz help!!! screenshot attatched

Mathematics
2 answers:
nirvana33 [79]3 years ago
8 0

Answer:

1. A

2. D

3. C

4. E

5. B

Step-by-step explanation:

emmasim [6.3K]3 years ago
5 0

Answer:

C, D, A, E, B from top to bottom

Step-by-step explanation:

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Sei paid $10.48 for a number of washcloths. If each washcloth is $1.31, how many washcloths did Sei get?
ki77a [65]
Sei would get 8 washcloths
7 0
3 years ago
a) expected value of a die b) suppose you play a game where you get a dollar amount equivalent to the number of dots that show u
UkoKoshka [18]

Answer:

a) The expected value of a die is 3.5

b) The fair value of this game is 4.25 dollars

c) The fair value of this game is 4.6667 dollars

Step-by-step explanation:

a) All the values are equally likely, so to get the expected value of the die we just sum all possible values and divide by the total amount of possible values, 6.

\frac{1+2+3+4+5+6}{6} = 3.5

Thus, the expected value of a die is 3.5.

b) The fair value is the expected value of the game. You will reroll the dice only if you expect to get more value on the second throw than what did you obtain on the first one. Since the expected value of a die is 3.5, then you will only reroll the die if you obtain 3 or less, and the probability for that is 1/2.

This means that there is a probability of 1/2 to make a second roll, with expected value 3.5, and a probability of 1/6 to obtain each of 4, 5 or 6 with the first die and keep that value (because it is higher than the expected value from one dice). Therefore, the expected value of this game is

1/2 * 3.5 + 1/6 (4+5+6) = 4.25

The fair value of the game is 4.25 dollars.

c) You can interpret this game as if after your first roll, you can keep that value or play the game described in b, where you roll once and reroll once if you want. Thus, if you decide to decline the value of the first die and reroll, then the expected value of the game will be 4.25. As a result, you will only reroll if you obtain a 4 or lower in the first die, which happens with a probability of 4/6 = 2/3. If you obtain 5 or 6, which happen each case with probability 1/6, you will keep that value because it exceeds your expectations. As a consecuence, the expected value is

2/3 * 4.25 + 1/6*(5+6) = 14/3 = 4.6667

The fair value of the game is 14/3 = 4.6667 dollars.

7 0
3 years ago
Diesel Inc. is making frames for a new product being launched at the end of the year. To keep the weight down, the area of the f
tresset_1 [31]
To answer, allow the width of the frame to be represented by x. The dimensions of the frame should then be, 11+2x and 6+2x. Subtracting the area of the inside of the frame from the area of the outside should be able to give us 18 cm². The equation,
                              (11 + 2x)(6 + 2x) - (11)(6) = 18
The value of x from the equation is equal to  0.5. Thus, the width of the frame should be 0.5 cm. 
7 0
3 years ago
Please hurry and hurry up on my other question
tresset_1 [31]

Answer:

hi

Step-by-step explanation:

i think it would be 4 because

51.2

+4.85

______

56.05

hope it helped

8 0
2 years ago
Read 2 more answers
Tom says that he needs 6 rolls to obtain each possible outcome on a 6-sided die. On the fourth roll, he rolls his second "3". To
Anna11 [10]

Answer:

Tom is incorrect

Step-by-step explanation:

The odds of getting any number on a 6-sided die are 1:6

Every time he rolls, there is a 1:6 chance he gets any number.  Therefore, it is totally plausible to get the same number again.  As the number of rolls tends toward infinity, the ratio of each number occurring to number of rolls equals 1:6.  

3 0
3 years ago
Read 2 more answers
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