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Hoochie [10]
3 years ago
5

A drawer contains 12 brown socks and 12 black socks, all unmatched. a man takes socks out at random in the dark. the least numbe

r of socks that he must take out to be sure that he has at least two socks of the same color is _____.
Mathematics
1 answer:
Serga [27]3 years ago
6 0
 <span>A) 3 - The third sock will match the first or second if they don't match each other. 
B) 14 - It's highly unlikely yet possible to remove all brown socks first, the next two would have to be black.</span>
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Callie and Madison went to buy concert tickets for themselves and their five friends. The
nika2105 [10]

Answer:

They bought 0 ticket of closest section and 7 tickets of other section

Step-by-step explanation:

- Callie and Madison went to buy concert tickets for themselves and

  their five friends

- That mean they are 7

- Tickets for the closest section were $45 each

- Tickets for other section were $30 each

- They  ended up spending a total of $210

- Assume that they buy x tickets for closest section and y tickets for

 the other section

∵ They want 7 tickets

∴ x + y = 7 ⇒ (1)

∵ The cost of the closest section ticket was $45

∵ The cost of the other section ticket was $30

∵ They spent $210 on them

∴ 45x + 30y = 210

- All terms have common factor 15, then divide them by 15

∴ 3x + 2y = 14 ⇒ (2)

* Now we have a system of equations to solve

- Multiply equation (1) by -2 to eliminate y

∴ -2x - 2y = -14 ⇒ (3)

- Add equations (2) and (3)

∴ x = 0

- substitute the value of x in equation (1) to find y

∴ 0 + y = 7

∴ y = 7

∵ x represents the number of tickets of the closest section and y

  represents the number of tickets in the other section

∴ They bought 0 ticket of closest section and 7 tickets of other

   section

5 0
2 years ago
You randomly choose one of the tiles shown below. What is the probability of choosing a number less than 5? *
Bad White [126]

Answer:

1/3

Step-by-step explanation:

There are 12 tiles. There are 4 numbers less than 5, so the probability would be 4/12 so we simplify it to 1/3

7 0
3 years ago
2sinx / cos3x = tan3x - tanx
marishachu [46]
The value of tan3x must be greater than the value of cos3x, because it is subtractable by a lesser value.
4 0
2 years ago
I have a test and only have an hour please hurry! <br><br><br><br> 90 / 3* (9 +6)=?
Alex777 [14]
90/3=30 30*(15)=450 450 is your answer.
5 0
3 years ago
Read 2 more answers
What is 14 subtracted from a number
eduard

Answer:

x-14

Step-by-step explanation:

We don't know what this number is so we label it as x or substitute it with x:

14 subtracted from it means, the number minus 14

Therefore our answer is :

x-14

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