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ioda
3 years ago
7

What is the value of x. Please show work

Mathematics
1 answer:
HACTEHA [7]3 years ago
7 0
It's x=7/99 or x=0.071
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Suppose a bag contains 4 white chips and 6 black chips. What is the probability of randomly choosing a white chip, not replacing
Marysya12 [62]
There are 10 chips altogether. 4 of them are white.
4/10 is the chance of lifting out a white chip
There are 3 of them left and 9 chips altogehter.
4/10 * 3/9
12/90
4/30
2/15

Comment
(my edit) it is not that 2/15 is wrong (although it is not entirely right).
1/3 is the correct answer if you assume that what happened during the first draw has nothing to do with what will happen on the second. It is like saying if you throw 11 heads in a row with a fair coin, what are the chances of throwing a heads on the 12th throw? The answer is 1/2. That is the same kind of question you have asked.

The two of us who have responded have really responded to what are the chances of drawing 2 white chips. The question really does not restrict us in a way that prevents us from saying that. I'll stick with
B <<<< answer
but I think it would be nice if the writer of the question made it clear that 1/3 should be the proper answer. I am glad you came back and posted the right answer. It makes me think. 

The semi right answer is B <<<<---- 

If my reasoning bothers anybody, I'll reedit again. I'm only leaving it because sometimes a mistake is more instructive than a given answer.
5 0
3 years ago
Read 2 more answers
Choose the definition for the function.<br> (Picture)
mestny [16]
Answer : A

hope this helps
3 0
2 years ago
Read 2 more answers
10 faces and 12 vertices,how many edges does it have?
MArishka [77]
The answer is 12 edges :)
6 0
3 years ago
Y = -11x - 25 ...........(i)<br> y = 5x - 7 ...............(ii)
valkas [14]

Answer:

3/2

Step-by-step explanation:

5x-7=-11x-25

5x+11x=-25+7

16x=18

x=18/16

x=3/2

6 0
3 years ago
$300 at 4 percent for 3 years
Basile [38]
So this is a simple interest problem

Amount=principal(starting amount) * rate * time(In years)

So A= 300*0.04*3
A =36
So the interest earned was 36$ but since the balance started with 300$ you have to add 36$ to the old balance to find your new balance
Therefore your new balance would be 336$
5 0
3 years ago
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