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skad [1K]
3 years ago
6

Please help me with this question and please show work I appreciate it

Mathematics
1 answer:
kicyunya [14]3 years ago
6 0
10 would be the answer because it is a ijdndnskoskansnsjdjksmskkssksjjsjxhxjdjdnd
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A bag contains 5 white, 3 black, and 2 green balls. Balls are picked at random.
Soloha48 [4]

Answer:

look down there

Step-by-step explanation:

First ball:

Probability of drawing a white ball is 5/8

Probability of drawing a black ball is 3/8

Second ball:

This depends on the first ball drawn, lets say you drew a white ball initially, 4 white balls are left out of 7 balls in total. The probability of a white ball in the second pick is 4/7.

Total probability of drawing two white balls is 5/8*4/7 (since they are independent events).

If you picked a black ball initially, picking another black ball would have a probability of 2/7, on similar grounds , total prob for 2 blacks would be 3/8*2/7.

The probability that you pick 2 balls of same color is (5/14 + 3/28) = 13/28. (Since they are mutually exclusive events)

6 0
3 years ago
How do you tell if a number is irrational or rational?
Korvikt [17]
A rational number is any number that can be expressed as a fraction
(ex: -5/2, 4 1/7, and 8/13)

An irrational number is any number that cannot be expressed as a fraction; a non-repeating, non-terminating decimal (ex: pi, 0.121231234...)

Hope this helps! :)
6 0
3 years ago
2(n+5)=-2 <br><br> I need the steps
Eva8 [605]

Answer:

n = -6

Step-by-step explanation:

2 ( n + 5 ) = -2

First, solve the brackets.

2n + 10 = -2

Now take 10 to the right side.

2n + 10 -10 = -2 - 10

2n = -12

Then divide both sides by 2.

\frac{2n}{2} =\frac{-12}{2}

And now you'll the value of n.

n = ( -6 )

6 0
2 years ago
HELP<br> write in slope intercept form<br> through (6,-1) parallel to 3x-y=2
Murrr4er [49]

Answer:

3x-y=2

m1=-3/-1

m1=3

Since parallel, m1=m2 so,

m1=m2=3

The slope of straight line passing through the point (6,-1) is

y-(-1)=m2(x-6)

y+1=3(x-6)

Step-by-step explanation:

I don't say you have to mark my ans as brainliest but friend if it has helped you,plz don't forget to thank me....

3 0
3 years ago
it took elijah 2.4 hours to run 13.8 miles. how many miles did he run each hour if he maintained a constant speed?
STALIN [3.7K]

Step-by-step explanation:

Elijah runs at constant speed

2.4 hours -----------> 13.8 miles

1 hour ---------------> 13.8/2.4

1 hour ---------------> 5.75 miles

Elijah run 5.75 miles in each hour at constant speed

6 0
2 years ago
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