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ArbitrLikvidat [17]

3 years ago

5

Joseph is making a 6 letter password using the letters A,B,C,D,E, and F. How many different codes can Joseph make is each letter

can only be used once?

1 answer:

defon3 years ago

4 0

6 letters x 6 letter password = 36 possible combinations

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According to the general equation for conditional probability, if P(A, B) =4/7

Neko [114]

Answer:

$P(A|B) = \frac{32}{49}$

Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

$P(A|B) = \frac{P(A \cap B)}{P(B)}$

In which

P(A|B) is the probability of event A happening, given that B happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(B) is the probability of B happening.

We have that:

$P(A \cap B) = \frac{4}{7}, P(B) = \frac{7}{8}$

So

$P(A|B) = \frac{P(A \cap B)}{P(B)} = \frac{\frac{4}{7}}{\frac{7}{8}} = \frac{4}{7}*\frac{8}{7} = \frac{32}{49}$

Then

$P(A|B) = \frac{32}{49}$

8 0

3 years ago

If 25% of a number p is 19, what is 15 of p

larisa86 [58]

Answer:

19.7%

Step-by-step explanation:

5 0

3 years ago

Find the equation of the line through the points (6, -9) and (-2, -1).

slava [35]

Answer:

y = -1x - 3

Step-by-step explanation:

y2 - y1 / x2 - x1

-1 - (-9) / -2 - 6

8/-8

= -1

y = -1x + b

-1 = -1(-2) + b

-1 = 2 + b

-3 = b

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2 years ago

Find the value of y when x=7. y=____

yarga [219]

In this case, 7 is being added to the odometer which already reads 78. If you add 7 to 78, you get 85. Meaning y = 85!

3 0

2 years ago

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Jan has a piece of yarn that is 6 1/2 feet long. She cuts off a piece that is 2 5/12 feet long. How much yarn does she have left

icang [17]

The answer is b because all you have to do is just subtract if I am wrong so sorry

5 0

2 years ago