Name the following sides of the triangle
1 answer:
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Answer:
1st option
Step-by-step explanation:
4 ÷ 2
( change mixed numbers into improper fractions )
= ÷
To perform the division
leave 1st fraction, change ÷ to × , turn 2nd fraction ' upside down'
= ×
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Answer:
geometric sequence
Step-by-step explanation:
The terms of the sequence have a common ratio of -12/3 = -4, so the sequence is geometric. The general term is ...
an = 3(-4)^(n-1)
so the sum can be written as ...
(Note the summation starts at n=0, corresponding to a first term of 3.)