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vovangra [49]
3 years ago
12

I need he,p i have to finish this by 12:30!!

Mathematics
2 answers:
nirvana33 [79]3 years ago
5 0

Answer:

a and c

Step-by-step explanation:

Mashutka [201]3 years ago
5 0

Answers:

A and C.

Step-by-step explanations:

A.) When looking at value, negative numbers are always less than positive numbers. Because negative numbers are behind zero on the number line (to the left) , they are automatically less than a positive number, which is ahead of zero on the number line (to the right).

C.) When it comes to negative numbers, the closer the number is to zero on a number line, the greater its value. Think of it like this: the closer it is to the positive side of the number line (which is the right), the greater the negative number's value.

That is why B is incorrect. Even though normally 3 is a bigger number than 2, that rule does not apply with negative numbers, as I mentioned above. Letters D and E are wrong because the numbers that were listed in both of those do not apply to their actual locations on a number line.

I hope that this helps.

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In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20
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The percentage of winning if 20 winning numbers are randomly selected from numbers 1 to 80 is 12.48%.

Given There are 80 numbers from which 20 numbers are selected randomly in a game of Keno by player and after selection of 20 winning numbers again 20 numbers are selected and player wins if the player has correctly selected 3,4,or 5 of the 20 winning numbers.

Probability is the chance of happening an event among all the events possible.

Probability of winning is calculated as under:

Probability=C(20,3)C(60,17)/C(80,20)

We have taken C(20,3) because player will win if 5 numbers are selected from 20 winning numbers.

We have taken C(60,17) because after selection of 20 numbers 60 numbers will left from 80 and after winning from 3 numbers 17  numbers left and from total 80, 20 numbers are taken.

=C(20,3)C(60,17)/C(80,20)

=(20!/3!17!  * 60!/17!43!)/80!/20!60!

=1140*387221678682300/35353161422121743200

=12.48%

Hence the probability of winning is 12.48%.

Learn more about probability at brainly.com/question/24756209

#SPJ4

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