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4 years ago

C - 95/d PLS HELP its a mmah quesrion I nedd a lot of help

1 answer:

7 0

What are u asking for the circumference because the formula is C= πd so d=95 so 95 times 3.14 to get 298.3 as the circumference.

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lakkis [162]

Answer:

11.42 boxes

Step-by-step explanation:

For the first box bought, there is a 100% chance of getting a unique toy (since you still don't have any). E₁ = 1.

After that, there is a 4 in 5 chance of getting a unique toy from the next box, the expected number of boxes required is:

$E_2 = (\frac{4}{5})^{-1} = 1.25$

For the next unique toy, there is now a 3 in 5 chance of getting it:

$E_3 = (\frac{3}{5})^{-1} = 1.67$

Following that logic, there is a 2 in 5 chance of getting the 4th unique toy:

$E_4 = (\frac{2}{5})^{-1} = 2.5$

Finally, there is a 1 in 5 chance to get the last unique toy:

$E_5 = (\frac{1}{5})^{-1} = 5$

The expected number of boxes to obtain a full set is:

$E=E_1+E_2+E_3+E_4+E_5\\E=1+1.25+1.67+2.5+5\\E=11.42\ boxes$

5 0

3 years ago

Jet001 [13]

Answer: 5/1 or just 5

Step-by-step explanation:

6 0

2 years ago

stira [4]

297 because 289 rounds to 290 plus 7 is 297

8 0

3 years ago

PSYCHO15rus [73]

Answer:

It's a whole number. It cannot be a mixed number. Anyways I would have to know the denominator.

3 0

3 years ago

Elanso [62]

Answer:

it reduce the number by 6 mark me brainlist

7 0

3 years ago