Evaluate the expression and enter your answer below. 5•(4+5) - 7^2
1 answer:
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Answer:
The explicit form is
Step-by-step explanation:
The explicit form of a geometric sequence is given by:
where an is the nth term, a is the first term of the sequence and r is the common ratio.
In this case:
a=162
The value of the common ratio is obtained by dividing one term by the previous term.
For the first and second terms:
108/162=2/3
For the second and third terms (In order to prove that 2/3 is the common ratio)
72/108=2/3
Therefore:
r=2/3
Replacing a and r in the formula:
Answer:
Distance: 12.04159458 or 12.0
Midpoint: (2.5, 1)
Step-by-step explanation:
I used the Distance and the Midpoint Formulas.
