What is 5.74 in radical form
1 answer:
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Answer:
The class interval is: 20-30
Step-by-step explanation:
Let l be the lower class limit and u be the upper class limit.
Then according to given statement that class mark is 25
And
Class size is 10
So, the second equation will be:
Adding equation 1 and 2
Now putting u =30 in equation 1
A class interval is written in the form that lower limit comes first and upper limit comes second.
So,
20-30
Hence,
The class interval is: 20-30
Answer:
n = 9
Step-by-step explanation:
Note that
256 = , thus
=
Since the bases on both sides are equal (2) equate the exponents
n - 1 = 8 ( add 1 to both sides )
n = 9