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never [62]
3 years ago
5

Is this right idk but i need work fir it

Mathematics
1 answer:
bija089 [108]3 years ago
7 0

Answer:

The answer is C 5/4

Step-by-step explanation:

When lines are parallel and you know there is a scalar factor, make the ratio by putting the original over the dilation 15:12 or 15/12 this is the ratio and after you need to reduce by dividing by the greatest common factor. 15 and 12's GCF is 3 so (15/3)/(12/3) = 5/4.

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Two balls are drawn in succession out of a box containing 5 red and 5 white balls. Find the probability that at least 1 ball was
Lera25 [3.4K]
Check the tree diagram of the problem:

The first ball can be either Red or Blue, the second ball can either be Red or Blue.

The branches represent all possible scenarios. 

For example, consider the upper branch, the case when both balls are blue:

The first ball is Blue, probability 5/10, the second ball is Blue, probability 4/9 because now there are 4 left blue balls, and 9 balls in total, after we picked the first blue.

The other branches have the same logic.

The question is not completed so we have 2 cases:

"Find the probability that at least 1 ball was​ red, given that the first ball was red"

here we add the separate probabilities of (R, R) and (R, B)

P(R,R)+P(R,B)=2/9 + 5/18 =  4/18  +5/18= 9/18=0.5

 
"Find the probability that at least 1 ball was​ red, given that the first ball was blue"

probability is P(B, R)=5/18=0.28

4 0
3 years ago
Help me its easy lol
jeka57 [31]

Answer:

265 BOXES    /4 BOTTLES WILL BE WITHOUT BOXES

Step-by-step explanation:

I SUBTRACTED 2136 FROM 8500. IT GAVE ME 6364. THE I TRIED TO DEVIDE BY 24 BECUASE ITS THE NUMBER OF BOTTLES IN A BOX. IT GAVE A MIXED NUMBER WICH IS 265.16 TERMINATING. I TRIED TO DEVIDE 6360 INSTAID OF 6364 AND IT GAVE 265 AND THE REMAINDER WAS 4.

WELCOM

3 0
2 years ago
Which statement about the sum of the interior angle measures of a triangle in Euclidean and non Euclidean geometries are true
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Where are the statements?
7 0
3 years ago
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