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Andru [333]
3 years ago
6

Determine if events A and B are independent.

Mathematics
1 answer:
Alchen [17]3 years ago
4 0

Answer:

Independent

Dependent

Step-by-step explanation:

Two events are independent of each other when you can mulitply them and get their intersect

we can can see that

9/20*7/10= 63/200 so these events are independent

For number 2

7/10*7/10≠ 21/40 so these events are dependent

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A. Create a segment EF between two points. 
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Find an equation of the line passing through the pair of points (2,3) and (5,9). Write the equation in the form Ax + By = C.
8090 [49]

Answer:

- 2x +  y  = - 1 , so the B is correct.

Step-by-step explanation:

+ Because of "the line passing through the pair of points (2,3) and (5,9)", that means the line has the equation y = ax + b where a = (9-3)/(5-2)= 6/3= 2

+ So the equation is y = 2x + b.

+ Then we replace x= 2 and y= 3 into y = 2x + b for finding  like:

3 = 2*2 + b or 3 = 4 + b, so we find b = 3 - 4 = - 1.

+ The equation of this line is y = 2x - 1 or in the form:

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Have a good day!

7 0
3 years ago
What percent of 500 is 50?​
mestny [16]

Answer:50/500×100=10%

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Hope this answer helps you...

Step-by-step explanation:

4 0
3 years ago
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The constant of proportionality for this relationship is
Vera_Pavlovna [14]

Answer: The constant of proportionality is 1.5

Step-by-step explanation:

The equation for constant of proportionality is y=KX. the K stands for the constant of proportionality and since the constant proportionality is 1.5 you will take 1.5 * x and for example x is 2 so you do 1.5 * 2 and you get 3 and 3 is your y. If you plug in the equation you're saying 3 equals 1.5 * 2 which is right.

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Answer:

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Step-by-step explanation:

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Hope This Helps :)

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