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4 years ago

Hey can you please help me posted picture of question

Mathematics

1 answer:

RUDIKE [14]4 years ago

5 0

This is True.

If two events are independent the occurrence of one event is not affecting the occurrence of the other event. So if event B has already occurred it will not affect the probability of occurrence of event A.

Since P(A|B) represents probability of occurrence of event A, given that event B has already occurred, P(A|B) will be equal to P(A) i.e. the probability of occurrence of event A.

This means, no matters if event B has occurred or not, it will not have any impact on event A. Event A will occur irrespective of the event B.

So, the correct answer is TRUE.

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AD and BC are diameters of Circle P. What is the length of

Alekssandra [29.7K]

Answer:

$\widehat {AC} =19.54\:ft$

Step-by-step explanation:

$\widehat {AC} = \frac{\theta}{360\degree} \times 2\pi r$

$\widehat {AC} = \frac{(180-40)\degree}{360\degree} \times 2(3.14) (8)$

$\widehat {AC} = \frac{140\degree}{360\degree} \times 2(3.14) (8)$

$\widehat {AC} = \frac{140}{360} \times 2(3.14) (8)$

$\widehat {AC} =19.5377778$

$\widehat {AC} =19.54\:ft$

7 0

3 years ago

Please help!

Triss [41]

1) Answer is 3(3a + b)

2) Answer is 2(a - 2b + a - 2b).

8 0

3 years ago

A car moves a distance of 100m in 12 seconds. what is the average speed in km/h

Maksim231197 [3]

Answer:

30km/h.

Step-by-step explanation:

100m/12s = 0.1km/12s

There are 3600 seconds in an hour.

0.1km/12s = 30km/h.

5 0

3 years ago

Solve for x using cross multiplication. 3x - 3 2x – 2 = 5 4 x = [?]

lara31 [8.8K]

Answer:

Step-by-step explanation:

Given

(3x - 3) / 5 = (2x - 2) / 4

Begin by cross multiplying

Solution

4(3x - 3) = 5(2x - 2) Use the distributive property to remove brackets
12x - 12 = 10x - 10 Add 12 to both sides.
12x = 10x - 10 + 12 Combine the right
12x = 10x + 2 Subtract 10x from both sides
12x-10x = 2 Combine the left
2x = 2 Divide by 2
x = 2/2
x = 1

Note: the original equation gives you 0/5 = 0/4 which is 0 = 0.

8 0

3 years ago

A train is traveling 55 mph to a destination that is 330 mi away. The function f(x)=−55x+330f(x)=−55x+330 represents the remaini

miv72 [106K]

F(x) = - 55x + 330

The domain is the set of possible input-values, i.e. x-values.

You know that f(x) cannot bebigger than 330 not lower than zero, then construct the inequality:

0 ≤ f(x) ≤ 330

0 ≤ - 55x + 330 ≤ 330

Multilply by - 1 and change the inequality signs:

0 ≥ 55x - 330 ≥ -330

Add 330 to all the members

330 ≥ 55x ≥ 0

Divide by 55

6 ≥ x ≥ 0 => 0 ≤ x ≤ 6

The the possible x-values (practical domain) is all the real numbers between 0 and 6 inclusive.

7 0

3 years ago