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bogdanovich [222]
3 years ago
9

X/2+ 1 = 9 options: x = 16 x = 20 x = 4 x = 5

Mathematics
1 answer:
Alex787 [66]3 years ago
7 0
X=16


16 divided by 2=8+1=9

Hope this helps!:)
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Need help with 8 grade math please
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3 years ago
The numbers 1 through 9 are written in separate slips of paper, and the slips are placed into a box. Then, 4 of these slips are
Vadim26 [7]
Let's think of the problem as follows.

Write all the 4-digit numbers that can be formed using the digits from 1 to 9, without repetition, in pieces of paper, and put them in a bag. What is the probability of picking the 4-digit number 1234, among these numbers.

The connection of the 2 problems is as follows:

The 4-digit number, for example 5489, represents drawing first 5, then 4, then 8, then 9 , in the original question.

we did not allow repetition, because for example the number 8918 would represent drawing 8, then 9, then 1 then 8 (again!!), which is not possible, so we lose the connection between the problems.


So there are in total 9*8*7*6= 3024  4-digit numbers, with non-repeating digits.

One of these numbers is 1234 (representing drawing 1, then 2, then 3, then 4)

among these 3024 numbers, the probability of picking 1234 is 
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We could have solved this problem also as :

P(drawing 1, 2, 3, 4 in order)= \frac{1}{9} * \frac{1}{8} * \frac{1}{7} * \frac{1}{6} = \frac{1}{3024}

Answer:\frac{1}{3024}= 0.00033
7 0
3 years ago
Can someone help me ASAP!!!
miskamm [114]
# 1 is 20

#2 is 24

# 3 is 95

#4 is 46
6 0
3 years ago
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