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Eva8 [605]
2 years ago
8

Select all ratios equivalent to 3:2.

Mathematics
2 answers:
weeeeeb [17]2 years ago
8 0
So the Correct answer would be all three of them.
This includes 27:18, 12:8, and 21:14.
The math behind this includes proportions.
For instance, if you multiple 3 by 9, you get 37. You have to multiple 2 by 9 now, and you should get 18. This is how all three of the answers are correct!
PIT_PIT [208]2 years ago
8 0

Answer:

All the above

Step-by-step explanation:

3:2 x 9 = 27:18      3:2 x 4 = 12:18    3:2 x 7 = 21:14

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Find the sum of (1-1/n) + (1-2/n) + (1 - 3/n)....upto n terms
bija089 [108]

Answer:

<em> (n - 1)/2</em>

Step-by-step explanation:

F = (1 - 1/n) + (1 - 2/n) + (1 - 3/n) + ...(1 - n/n)

  = (1 + 1 ... + 1) - (1/n + 2/n + 3/n + ...n/n)

     (there are n terms of 1)

  = n - (1 + 2 + 3 + ... + n)/n

  = n - [n x (n + 1)/2]/n

  = n - [n x (n + 1)]/[2 x n]

  = n - (n+1)/2

  = (2n - n - 1)/2

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Hope this helps!

4 0
2 years ago
Whats 2x 5=19 answer?
wariber [46]
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2 years ago
Is this linear or exponential ​
777dan777 [17]
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4 0
2 years ago
Question help in​ statistics, what does df​ denote? if a simple random sample of 2424 speeds of cars on california highway 405 i
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