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enyata [817]
3 years ago
13

[GEOMETRY] Suppose A and B are independent events.  what is P(A U B) ?

Mathematics
1 answer:
ra1l [238]3 years ago
8 0
My guess would be B.
Don't quote me on this lol.
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Why cant i see the option to ask for a tutor:( is night time that's why? please answer ​
Aleks [24]

Answer:

It wont let me eat either day or night I cant get one?

5 0
3 years ago
PLEASE HELP!! ill give you 20 points ​
const2013 [10]

Step-by-step explanation:

7 0
2 years ago
Can someone please help me with 21-24 and explain/ show how you got the answer?
oksano4ka [1.4K]
The solution (x,y) needs to work in both equations. With multiple choice you can do guess and test method. Otherwise you need to combine the two equations into one by substitution or elimination methods.

21. substitution works well here since one equation is y= x+3. you can easily substitute the (x+3) for y in the other equation.
2x + (x+3) = -6
3x + 3 = -6
3x = -9
x = -3
use this in either equation to find y.
y = (-3)+3
solution: (-3,0)

22. these both equal y so they equal each other.
4x - 1 = 3x +6
4x - 3x = 6 + 1
x = 7
use this in either equation to find y
y = 4(7) - 1
y = 28 - 1
y = 27
solution: (7,27)

23. one equation is y = 2x - 3. So substitute (2x -3) for y in the other equation.
4x = 2(2x - 3) + 6
4x = 4x - 6 + 6
4x = 4x
x = x
any solution will work, infinitely many.

24. infinitely many solutions means the two equations are the same equation. Like the previous one they didn't look the same but if you put them both in terms of y...
y= 2x-3
4x = 2y + 6
4x - 6 = 2y
(4x - 6)/2 = y
2x - 3 = y
same equation.

from the image, I can't see all options but A & C do not look like the same equations. It's got to be either B or D.

3 0
3 years ago
Which point has the coordinate 1.6? Online graphic for number line in online checkpoint A. H B. J C. F D. G
dem82 [27]
The answer is option B i.e., Point F because 0-2 there are 10 divisions and point J is before 2 so it is clear that point J has coordinate 1.6.
4 0
3 years ago
Suppose you Flip a coin and spin a spinner with four equal sections labeled 1-4 if you repeat this process 1,000 times what is t
valentinak56 [21]

Answer:

125 times.

Step-by-step explanation:

Prob(Heads) = 1/2.

Prob(Spinner lands on 2) = 1/4  ( as there are 4 sections on the spinner).

So the best prediction for the number of times this occurs in a 1000 trials

=  1/2 * 1/4 * 1000

= 1/8 * 100

= 125 times.

4 0
3 years ago
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