Find the sum of the first 9 terms in the following geometric series 7+21+63+

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

4 0

Answer: 68887

Step-by-step explanation: the geometics series is (the previous number in the series) x 3, so 63 x 3 =189 x 3 =567 x 3 = 1701 x 3 = 5103 x 3 =15309 x 3 = 45927 and you add all those numbers up to get 68887

You might be interested in

5) (5x2 + 4) — (5 + 5x3)

Licemer1 [7]

(5x²+4)–(5+5x³)
25x+4–5+125x
150x–1

8 0

3 years ago

Explain your answers please

nirvana33 [79]

First is 7 second is 8 third is 3

6 0

3 years ago

Which of the following relations is NOT a function?

topjm [15]

According to Wikipedia: "<span>In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output."

So based of this we need to look for a set where one of the x values or the y values is the same, and the other number is different.

Answer:
B.
(1,4) and (1,1) both have the same x, but different y!
</span>

5 0

3 years ago

Of the 200 packages of bagels sold 15 of them were sesame seed bagels. What percent of the bagel packages sold are sesame seed b

Paladinen [302]

Answer:

.015%

Step-by-step explanation:

Hope it helps

~CoCo

6 0

3 years ago

Read 2 more answers

In a clinical test with 2161 subjects, 1214 showed improvement from the treatment. Find the margin of error for the 95% confiden

Vlad [161]

Answer:

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.