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mojhsa [17]
3 years ago
6

You have three $1 bills, four $5 bills, and two $10 bills in your wallet. You select a bill at random. Without replacing the bil

l, you choose a second bill at random. Find P($10 then $1).
Mathematics
2 answers:
TEA [102]3 years ago
7 0

Answer:correct answer is 1/12

Step-by-step explanation:

MakcuM [25]3 years ago
6 0
You have 9 bills all in all in your wallet. From the probability , P($10 then $1), you are to pick $10 bill first out of the 9. The probability of doing so is 2/9. Then you have 8 bills left. The probability of picking $1 is 3/8. The final probability is the product of the two probabilities. The answer is therefore, (2/9) x (3/8) or equal to 1/12. 
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Use counting to determine the whole number that corresponds to the cardinality of these sets:______. (a) A= (xl x € Nand 20.<
Harlamova29_29 [7]

Answer:

Step-by-step explanation:

Cardinality of a set is defined as number of element in a set. It is represented as n(X) where X is any set.

a) Given the set A =(x l x € N and 20.< x<27). According to the set, the set contains the values of natural numbers between 20 and 27. The values are 21, 22, 23, 24, 25 and 26

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According to the set A, it can be seen that there are 6 elements in the set, <em>this means n(A) = 6.</em>

b) Given B=(x | xeN and x+1=x)

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c) For the set C={x l xe N and (x- 1)(x - 9) = 0)

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d)  D={xlx E N, H X 5 100, and x is divisible by both 5 and 8)

Given the value of x between 5 and 100, the values of x divisible by 5 = (10, 15, 20, 25, 30, 35, 40, 45, 50 , 55, 60 , 65, 70, 75, 80 85, 90, 95)

values of x divisible by 8 = (16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96)

<em>The total number of elements in both set = 29 i.e n(D) = 29 </em>

3 0
3 years ago
1.
Yuliya22 [10]

Answer:

C (-2, 0)

Step-by-step explanation:

y = x+2

intersect the x-axis when y = 0, then

0 = x+2

x = -2

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