Donovan can type 45 words per minute. He needs to type a report that is 9 pages long. Each page has about 300 words. What is a r
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Answer: The answer is 144.
Step-by-step explanation: Let 'a' be the first term and 'd' be the common difference of the given arithmetic progression (A.P.).
According to the given information, A.P. is {0, 4, 8, 12, 16, . . .}, i.e., a=0 and d=4.
The sum of first n terms is given by
So, the sum of first 9 terms is
Thus, the required sum is 144.
Value of q is .
<u>Step-by-step explanation:</u>
We have , the equation is rewritten in the form of
. We need to find What is the value of q . Let's find out:
Let's simplify equation into
:
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Comparing this equation to ,
.
Therefore ,Value of q is .