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aleksandrvk [35]
3 years ago
12

What is another way to represent 4 over 5 is it 4times 5

Mathematics
1 answer:
damaskus [11]3 years ago
5 0

Answer:

4/5

Step-by-step explanation:

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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

  = (n - 1)/2

Hope this helps!

4 0
3 years ago
Regina’s teacher recently gave her a homework assignment on solving equations. Since she has been thinking about saving for a ne
creativ13 [48]

Answer:

sdcsdcsdcs    

Step-by-step explanation:

sdcdsc

6 0
3 years ago
Read 2 more answers
Find the sum of the arithmetic sequence 22, 11, 0, -11, ..., –77.
blagie [28]

Answer:

B.

Step-by-step explanation:

First you need to figure out how many numbers there are, so with this you can simply count 10. Then use the formula to plug in the numbers: 10(22-77)/2 to get the answer.

7 0
3 years ago
Which of the following statements is true? The value π is a rational number. The number 0 is a natural number. The number is an
AlexFokin [52]

Answer:

the number -5 is a real number

Step-by-step explanation:

real numbers are basically all numbers.... if you havent met complex numbers yet..

hopefuly this helped

:)

7 0
3 years ago
Read 2 more answers
What is the conditional probability that exactly four heads appear when a fair coin is flipped five times
cestrela7 [59]

Answer:

5/32

Step-by-step explanation:

If a coin if flipped five times with four heads, then it has exactly one tail. The number of way to arrange four heads and one tail are as follows:

T H H H H

H T H H H

H H T H H

H H H T H

H H H H T

Essentially, there are five way because there are five "positions" where the tail could be.

Then, you need to find the total amount of possibilities for flipping a coin five times. Every time you flip it, there are two possibilities- heads and tails. Therefore, for five flips, the total amount of possibilities is

2x2x2x2x2 = 32

You know that

probability= # of desired outcome

                   ----------------------------------  

                      # of total outcomes

So the probablity is 5/32.

8 0
3 years ago
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