PLEASE ANSWERING THIS QUESTION!!
2 answers:
Yes , reducing in simplest terms is very important regarding fractions which still have a chance to get reduced.
how do we reduce?
We commonly/usually reduce them with their suitable factors or in which table they go (multiplication factors)
So as 2/4 is reduced into 1/2 , here 2 and 4 are multiples of 2 and can be reduced into their simple forms as 1 and2
Because 2 x 1 = 2 and 2 x 2 = 4
So now considering the question. , 9/45
This can be reduced in two ways
With factors of three first!
=> 9/45
This goes in three table as 3 x 3 = 9 and 3 x 15 = 45
So we get it as 3/15
And we can again simplify this with 3
3 x 1 = 3 and 3 x 5 = 15
Which comes out to be 1/5
Now second method ;
Directly with 9 table
We know , 9 x 1 = 9 and 9 x 5 = 45
Can be reduced as 1/5 easily.
Also refer attachment
how do we reduce?
We commonly/usually reduce them with their suitable factors or in which table they go (multiplication factors)
So as 2/4 is reduced into 1/2 , here 2 and 4 are multiples of 2 and can be reduced into their simple forms as 1 and2
Because 2 x 1 = 2 and 2 x 2 = 4
So now considering the question. , 9/45
This can be reduced in two ways
With factors of three first!
=> 9/45
This goes in three table as 3 x 3 = 9 and 3 x 15 = 45
So we get it as 3/15
And we can again simplify this with 3
3 x 1 = 3 and 3 x 5 = 15
Which comes out to be 1/5
Now second method ;
Directly with 9 table
We know , 9 x 1 = 9 and 9 x 5 = 45
Can be reduced as 1/5 easily.
Also refer attachment
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Answer:
25.5 days
Step-by-step explanation:
Mean number of days (μ) = 22 days
Standard deviation (σ) = 6 days
Z-score for the 72nd percentile (according to tabulated values) = 0.583
The z-score for any number of days, X, is determined by:
The value of X that is greater than 72% of the trial times is:
Therefore, 72% of all of these types of trials are completed within 25.5 days.