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Ratling [72]
2 years ago
9

A group of n friends go to the gym together, and while they are playing basketball, they leave their bags against the nearby wal

l. an evildoer comes, takes the student id cards from the bags, randomly rearranges them, and places them back in the bags, one id card per bag. (a) what is the probability that no one receives his or her own id card back? hint: use the inclusion-exclusion principle. (b) what is the limit of this proability as n â â? hint: e x = â â k=0 x k k! .
Mathematics
1 answer:
Viktor [21]2 years ago
5 0

Answer:

bro just ask around lol or go find the person problem solved

Step-by-step explanation:

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How can you tell if a system of equations has infinite solutions?
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To tell if an equation has infinite solutions, the equation will be equal to each other.

For example,

x = x
x + 1 = x + 1
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And so on...

And in special cases,

0x = 0
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They have infinite solutions because there's no constant to determine the variable.
4 0
3 years ago
B) Write 25 x 10^6 in standard form.
AURORKA [14]

Answer:

25,000,000

Step-by-step explanation:

Hope this helps!!!

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3 years ago
PLEASEE HELPP ANYONE
jeka57 [31]
Your best bet would be D.
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3 years ago
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A store is having a sale where winter clothes are 60% of the original price. A sweater is on sale for $30 . What was the origina
Flura [38]
x-price\ before\ sale\\60\%=0.6\\100\%=1\\\\From\ proportion:\\\\0.6\ \ \ \ \ -\ \ \ \ 30\\1\ \ \ \ \ \ \ \ -\ \ \ \ x\\\\0.6x=30\ \ |:0.6\\x=50\\\\Original\ price\ was\ \$50.
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3 years ago
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A hat is originally priced at $28 is on sale for $15% off. What is the total cost of the hat if the tax is 6.75%?
vampirchik [111]
You do 28, which is the original cost, then you take that 15% off to do that you multiply 28×.15 and you get 4.2 and subtract that from original cost and you get 23.8 then to get the cost after tax you do 23.8×.0675 and you get 1.6 then you add that to 23.8 and get 25.4 dollars
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3 years ago
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