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rosijanka [135]
3 years ago
9

A and B are independent events. P(A) = 0.30. P(B) = 0.60 What is P(A/B)?

Mathematics
1 answer:
Tomtit [17]3 years ago
8 0

Answer:

A and B are independent events.

P(A) = 0.30. P

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The eastbound train travels 10 miles per hour faster than the westbound train. After 2 hours, they are 232 miles apart. At what
patriot [66]

Answer:

48,58

Step-by-step explanation:

Let The speed of the west bound train be x

Let the east bound train be x+10

The speeds can be calculated as follows

2(2x+10)= 232

4x + 40= 232

4x= 232-40

4x= 192

x= 192/4

= 48

Hence the speedof the west bound train is 48

The speed of the east bound train is 48+10

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2 years ago
How do you solve the system 3x-y z=5, x 3y 3z=-6, and x 4y-2x=12?
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3x - y + z = 5 . . . (1)
x + 3y + 3z = -6 . . . (2)
x + 4y - 2z = 12 . . . (3)

From (2), x = -6 - 3y - 3z . . . (4)
Substituting for x in (1) and (3) gives
3(-6 - 3y - 3z) - y + z = 5 => -18 - 9y - 9z - y + z = 5 => -10y - 8z = 23 . .  (5)
-6 - 3y - 3z + 4y - 2z = 12 => y - 5z = 18 . . . (6)

(6) x 10 => 10y - 50z = 180 . . . (7)
(5) + (7) => -58z = 203
z = 203/-58 = -3.5

From (6), y - 5(-3.5) = 18 => y = 18 - 17.5 = 0.5
From (4), x = -6 - 3(0.5) - 3(-3.5) = -6 - 1.5 + 10.5 = 3

x = 3, y = 0.5, z = -3.5
8 0
3 years ago
Factor the expression below.
Lemur [1.5K]
The answer is C
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Furkat [3]

Answer:

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Step-by-step explanation:

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Answer:

It is 4^{5}

Step-by-step explanation:

the four is multiplied 5 times

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