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
dolphi86 [110]
3 years ago
11

Another sigma notation question. Please check. Hopefully I did this one correctly!

Mathematics
1 answer:
Neko [114]3 years ago
8 0

Answer:

Your answer is correct.  The series is a geometric series with common ratio -1/4 and first term 40.  So each term is:

an = 40 (-1/4)^(n−1)

So the sum of the first 10 terms is:

∑(n=1 to 10) [ 40 (-1/4)^(n−1) ]

You might be interested in
Determine if function. HELLPPP If you awnser correctly i will try and give you a brainlyyyy.​
astraxan [27]

Answer: This relation is not a function

Step-by-step explanation:

To find out if a relation is a function, we need to use the vertical line test, which means each input value only has one output value. This graph does not pass that vertical line test.

7 0
2 years ago
Read 2 more answers
Need answer to this math problem
Elis [28]

The slope of this line is the difference of the y values divided by the difference of the x values. Solving this give 4/-3. Then, you already know the b in y = mx+b, which is 2, because you already have the value (0, 2). So, the answer is y = -\frac{4}{3}x + 2

8 0
3 years ago
Read 2 more answers
Write the point-slope form of an equation of the line through the points (-1, 4) and (-2, 2).
kozerog [31]

Answer:

Point-slope form: y-4=2(x+1)

Slope intercept form: y=2x+6

I hope this helps!

5 0
3 years ago
Read 2 more answers
What is 8.876 rounded to the nearest whole number
vfiekz [6]
The answer to your question is 9
8 0
3 years ago
Read 2 more answers
You watch a roulette wheel spin 3 consecutive times and the ball lands on a red slot each time. what is the probability that the
FrozenT [24]
104976/2085136 or simplified: 6561⁄130321
6 0
3 years ago
Other questions:
  • What is the area? (IXL)
    6·1 answer
  • or her cell phone plan, Heather pays $30 per month plus $0.05 per text. She wants to keep her bill under $60 per month. Which in
    15·2 answers
  • A car that costs $52,400 depreciates at the rate of 9.8% every year. how much in total, to the nearest cent, will the car deprec
    6·1 answer
  • Which process will transform Figure Honto Figure K?
    10·2 answers
  • A minor league baseball team plays 122 games in a season. If the team won 14 more than three times as many games as they​ lost,
    6·1 answer
  • 8+(-6)=<br>help,,, i got 2 but dont know if it's right
    7·2 answers
  • Amanda is on the swim team. Each week she swims a total of 6000 meters. How many kilometers does she swim each week ?
    13·1 answer
  • A door to a playhouse is 50 inches tall. Which of the following is another measure equal to the height?
    8·2 answers
  • Lillian wants to purchase a new camper. She needs to borrow $6000 for 2 years. Lillian will have a 3.5% interest rate. How much
    14·1 answer
  • Someone plz help plz
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!