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
sammy [17]
3 years ago
11

How do you find the sum of the first 20 terms of sequence

Mathematics
1 answer:
andriy [413]3 years ago
8 0

The formula to find the sum of the first n terms of our sequence is n divided by 2 times the sum of twice the beginning term, a, and the product of d, the common difference, and n minus 1. The n stands for the number of terms we are adding together.
You might be interested in
Distance between A(2,7) and B(6,4)
r-ruslan [8.4K]

Answer:

Approx: 2.65units

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
2.<br> what do i put im confused and dont know how to do this
Paha777 [63]

Answer:

Step-by-step explanation:

The two dots on the bottom of this figure define the base of a triangle.  If we now use a compass to draw the blue arcs on either side, as shown, the arcs will intersect at two points.  A straight line drawn through these two points will be perpendicular to the base. The triangle will be isosceles and could be (but doesn't have to be) equilateral.

3 0
3 years ago
What should be completed first when simplifying 2(x - 3) + 6(4x + 1)?
Over [174]

Answer:

parantheses

Step-by-step explanation:

6 0
3 years ago
Customers arrive randomly at a service point at an average rate of 30 per hours.Assuming a Possition distibution,calculate the p
inna [77]

Answer:

honestly man I say go with c

4 0
3 years ago
Andy estimated that he would need 75 feet of lumber for a tree house project. he later found that the actual amount of lumber ne
Kipish [7]
Step 1
<span>Calculate the error
</span>error=75-64-----> 11 ft

step 2
<span>Divide the error by the exact value
</span>11/64=0.1719

step 3
<span>Convert that to a percentage 
</span>0.1719*100=17.19%

the answer is
17.19%

8 0
3 years ago
Other questions:
  • Cody was going to sell all of his stamp collection to buy a video game. after selling half of them he changed his mind. he then
    15·1 answer
  • Five times the difference of twice a number and twelve is negative twenty. Find the number. I need help with this guys please so
    9·1 answer
  • A group of students takes a test and the average score is 72. One more student takes the test and receives a score of 88 increas
    12·1 answer
  • A table top is made of circular glass what is the circumference of the table if it has a radius of 21 cm?
    8·1 answer
  • Please solve!!! <br> In a hurry!
    12·1 answer
  • What is the slope and the y intercept for the graph y=7x-2
    15·1 answer
  • Can someone PLEASE answer 5 and 6 for me?this assignment is due in a few minutes
    13·1 answer
  • Given: A ABC<br> The measure of measure of
    14·1 answer
  •  please HURRY I WILL GIVE BRAINLEST <br><br> Which expression is equivalent to -6 (3X-2/3)
    5·2 answers
  • Graph the line with the equation y=6x-1
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!