1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Minchanka [31]
3 years ago
13

What is the sum of the geometric sequence 1,-6,36... if there are 6 terms

Mathematics
1 answer:
zalisa [80]3 years ago
7 0
a_1=1;\ a_2=-6;\ a_3=36;\ ...\\\\r=a_2:a_1\to r=-6:1=-6\\\\S_n=\dfrac{a_1(1-r^n)}{1-r}\\\\a_1=1;\ r=-6;\ n=6\\\\subtitute\\\\S_6=\dfrac{1(1-(-6)^6)}{1-(-6)}=\dfrac{1-46656}{1+6}=\dfrac{46655}{7}=6665
You might be interested in
VERY EASY, WILL GIVE 50 POINTS FOR CORRECT ANSWER ASAP AND WILL GIVE BRAINLIEST.
Nana76 [90]

Answer:

ABC is translated right 5 units and down 5 units

Step-by-step explanation:

The vertices of the original and new triangles haven't moved. Only the triangle as a whole moved from one place to another. The other choices involved reflecting the triangle in which the vertices change locations that are different from their original locations. Hope this helps!

5 0
2 years ago
In this figure, A'B'C'D'is a transformation of ABCD.
siniylev [52]

Answer:

translation  and um thats all

6 0
3 years ago
5. Luis found a new text messaging plan which will charge him $2.00 for 80 messages. Using this
Pavel [41]
I think that Luis would have to pay $22.50
7 0
2 years ago
-3- 9n +5n-2 combining like terms?
shtirl [24]

Answer:

the answer is on photomath

8 0
3 years ago
Read 2 more answers
if a circular rug has a radius of 1 yard. what is the area of the rug to the nearest tenth of a square foot
Alecsey [184]
28.26 feet squared if using 3.14 for pi
4 0
3 years ago
Other questions:
  • A random variable x is normally distributed with a mean of 100 and a variance of 25. Given that x = 110, its corresponding z- sc
    11·1 answer
  • How would the fraction
    12·2 answers
  • Jeff trip will cost $9.00 if he has 2 attendees at the conference of there are 36 attendees how much will the trip cost
    9·1 answer
  • Which of the following lines is perpendicular to the equation given below?
    6·2 answers
  • Find the extraneous solution of the equation |9 – 4x|= -5x .
    7·1 answer
  • 4 x ? is close to 105
    9·2 answers
  • Find the scale factor of trapezoid \mathrm{Q}\mathrm{R}\mathrm{S}\mathrm{T}QRST if it is dilated to \mathrm{Q}^{'} \mathrm{R}^{'
    10·1 answer
  • HELP PLEASE !!!! Will give points (9)
    13·1 answer
  • 2(4z−1)=3(z+2)<br> How do you solve this? Plz show step-by-step
    12·2 answers
  • This cubiod is made from 6 small cubes write how many small cubes there are in this cubiod
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!