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gladu [14]
3 years ago
6

Which of the following sequences are geometric?

Mathematics
1 answer:
svetlana [45]3 years ago
3 0

Answer:

the answer is A

Step-by-step explanation:

divide each of the second numbers by the first

that is

1 \div 3 =   \frac{1}{3 }  \\  \frac{1}{3}  \div 1 =  \frac{1}{3}

and so on

All the answers you get will be equal to 0.33333 or 1/3

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Use the recursive function for the geometric sequence 2,-6,18 and -54 to represent the 9th term
geniusboy [140]

Answer:

A

Step-by-step explanation:

A recursive formula allows the term in a sequence to be obtained from the previous term.

To find any term in the sequence multiply the previous term by the common ratio r

r = - 6 ÷ 2 = 18 ÷ - 6 = - 3

Thus the 9 th term can be found using

f(9) = f(8) × - 3 = - 3f(8) → A

5 0
3 years ago
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An airplane on auto pilot took 5 hours to travel 3,475 kilometers. What is the unit rate for kilometers per hour?
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695 kilometers per hour
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Plz help with the first and second one❤️
antoniya [11.8K]
The least common is c
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3 years ago
A country's population in 1994 was 140 million. In 1998 it was 146 million. Estimate the population in 2011 using the exponentia
serious [3.7K]

Answer:

Estimated To Be 167 Million

Step-by-step explanation:

The exponential growth formula is given by

where: P is the population of the country, t years after the initial year (i.e. in this case, 1994).  is the initial population of the country (i.e. the population of the country in 1994).

r is the growth rate of the population and

t s the number of years after the initial year.

We obtain the value of r by comparing the growth between 1994 and 1998.

Here: P = 146, , and t = 4 years

Thus To estimate the population of the country in 2011, we note that 2011 is 17 years after 1994.

Thus, the population of the country in 2011 can be estimated to be

million

Therefore, the population of the country in 2011 can be estimated to be 167 million to the nearest million

7 0
3 years ago
I need help on this page
Aloiza [94]
Because it is a question asking for ppl playing either soccer OR basketball, we add the two fractions together. Thus, Part A becomes 3/10 + 4/10, which is 7/10 (since the denominators are the same, you only add the numerators).
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