3 years ago

Which expression could be used to find the sum of the first n terms of the geometric sequence that begins 11,22,44,…?

1 answer:

5 0

= 11( - 1)
Step-by-step explanation:
The sum to n terms of a geometric sequence is
=
where a₁ is the first term and r the common ratio
Here a₁ = 11 and r = = = 2 , then
= = 11 ( - 1)

You might be interested in

What is the value of the expression below when y=2 AND z=8?<br> 8y-z

Kisachek [45]

Answer:

Step-by-step explanation:

4 0

3 years ago

Please Help Timed Question. Picture provided below.

Jobisdone [24]

Answer:

17.67 mpg

Step-by-step explanation:

The fuel efficiency is given by :

$\eta=1.437+0.541\times s$

We need to find the fuel efficiency for a speed of 30 mph

Put the value of s equals 30 mph in the above equation.

$\eta=1.437+0.541\times 30\\\\\eta=17.67\ mpg$

So, the required fuel efficiency is equal to 17.67 mpg.

6 0

3 years ago

Josh had 4/5 of a liter of soda to share with two of his friends. If he pours an equal amount of soda in 3 cups how much will ea

Nataly [62]

Answer:

idk but like good Luke bruh

8 0

3 years ago

Pls pls help me I will mark you brainest

Ann [662]

Answer:

130

Step-by-step explanation:

10+10+5+5=30

50+50=100

30+100=130

5 0

3 years ago

Sammy bought fruit at the farmers market to resell at the school snack stand. she bought a total of 288 pieces of fruit. she bou

Stolb23 [73]

Answer:

is this on khan academy?

4 0

3 years ago