Select the correct answer. Simplify. 198 49√2 OB. 7√2 OC. 2√7 OD. 14√7
1 answer:
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Answer:
20
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<h3>Solve</h3>Any negative number added to a positive number always brings you further to the left, which is considered the negative zone. It's more like subtracting in a different way. That said, let's make the equation.
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Now, multiply 3 by 8.
Add negative 4, meaning subtract 4 in a dynamic way.
Given:
First term of an arithmetic sequence = 5
Second term = 3
To find:
The explicit formula for the given arithmetic sequence.
Solution:
We have,
First term:
Second term:
Common difference is
Now, the explicit formula for an arithmetic sequence is
where, a is first term and d is common difference.
Putting a=5 and d=-2, we get
It can also be written as
Here, n is an integer greater than or equal to 1.
Domain is the set of input values.
Therefore, the explicit equation is or
and domain is all interest greater than or equal to 1.