Help please ! solve for x and round the answer to the nearest tenth. need it asap , thank you
1 answer:
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9514 1404 393
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.)
Answer:
2400 people
Step-by-step explanation:
Let x be the number of people who had a swimming pool in the population of 10,000,
Thus, the ratio of people who had swimming pool to the total population =
Since, out of 250 people 60 had swimming pool,
So, the ratio of the people who had swimming pool to the total population =
Hence, 2400 people in the city might one expect to have a swimming pool.
First option is correct.