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mamaluj [8]
4 years ago
8

How do we find compound probability

Mathematics
1 answer:
DIA [1.3K]4 years ago
4 0

Answer:

of the first event multiplied by the probability of the second event.

Step-by-step explanation:

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Expand.<br> If necessary, combine like terms.<br> (x+3)(x – 3) = ?
Kobotan [32]

Step-by-step explanation:

multiply it

x²-3x+3x-9=0

x²-9=0

x²=9

square root both side we get

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5 0
3 years ago
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Simon says "five time my age 4 years ago is the same as three time my age in 2 years" how old is simon
omeli [17]

Simon is 13 years old

Let x be Simon's age

Thus 4 years ago his age was (x - 4) and 2 years from now his age is (x + 2)

Hence 5(x - 4) = 3(x + 2)

distributing both sides gives

5x-20 = 3x + 6

subtract 3x from both sides of the equation

5x - 3x - 20 = 6

2x - 20 = 6

add 20 to both sides

2x = 6 + 20 = 26

divide both sides by 2

x = \frac{26}{2} = 13

Simon is 13 years old


7 0
3 years ago
Hi All,
tangare [24]

Answer:

a) modal number of teachers in a car is 3

b) median number of teachers in a car is 3

c) mean number of teachers in a car is 2.5

Step-by-step explanation:

  • modal number is 3 because that is the highest frequency of  numbers of cars
  • median number is 3 because it is the middle number when you expand the frequency table.
  • mean number is 2.5 because that is the approximate average of all the numbers.
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3 years ago
Bobbie went snowboarding with friends at 10:10 A.M They snowboarded for 1 hour and 43 minutes, and then stop to eat lunch. What
zmey [24]
10:10 + 1:43 = 11:53
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4 years ago
What is the slope of the line graphed on the coordinate plane?
maria [59]
Rise: 8 Run: -2

8/2

Have a nice day!
7 0
3 years ago
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