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
Katarina [22]
3 years ago
10

What is the general term equation, an, for the arithmetic sequence 5, 1, −3, −7, . . . , and what is the 21st term of this seque

nce?
Mathematics
1 answer:
Sonja [21]3 years ago
6 0
The general term is obtained by starting with the initial value 5 and then subtracting 4 each time you wish to generate a new term:

a2 = second term = 5+(2-1)(-4)       =    5+(-4) = 1

General term:

an = nth term = 5+(n-1)(-4)

Thus, the 21st term is 5+(21-1)(-4) = 5 + (20)(-4) = -75 (answer)
You might be interested in
Find the area of the regular hexagon with perimeter 12 in. Write your answer in simplest radical form
Vinil7 [7]
I’m not sure if this helps, but the area of a hexagon with a perimeter of 12 inches would be 10.39 inches squared
7 0
3 years ago
(-2, 2), y=3x - 5 distance​
Andrews [41]

Answer:

If you are using slope intercept it is incorrect

Step-by-step explanation:

For the first part y is 2 so using y=Mx+b it’s 2=-6-5 which is not correct

7 0
3 years ago
What is the relationship between the symbol and the word pi?
swat32
The distance around the outside a circle is its circumference. Consider the formula for the circumference of a circle, Circumference = Pi x Diameter. Solving for Pi we get, Pi = Circumference divided by Diameter.
4 0
3 years ago
Please help me with math
Vsevolod [243]

You need to replace the coordinates given after dilating them or stretching the parabola.

8 0
3 years ago
Assume the bear can walk in any direction at a rate of 2 miles per hour. Suppose the bear was last seen 4 hours ago.how large an
Arisa [49]
The bear can walk at a rate of 2 mph, which means after 4 hours it could have traveled 8 miles. That is our radius. To calculate the area of a circle, remember the formula
A = \pir^2

3.14 * 8^2 = A
3.14 * 64 = A
200.96 = A

An area of 200.96 square miles must be searched.
8 0
3 years ago
Other questions:
  • Janelle has $75. She buys jeans that are discounted 30% and then uses an in-store coupon for $10 off the discounted price. After
    10·1 answer
  • I will pay you $10 per hour for the 1st 40 hours. After 40 hours, I will pay you 1.5 times regular pay for each hour. What is th
    5·1 answer
  • PLEASE ANSWER THIS QUICKLY!! I WILL GIVE BRAINLIEST!!!
    14·1 answer
  • Given the function f(x)=√5x, which transformation results in the horizontal stretching and reflecting across the y-axis?
    9·1 answer
  • Which graph shows a dilation
    9·1 answer
  • 2x - 7 < - 4x + 5 on graph and write the inequality.
    7·1 answer
  • Find the volume and thank for answer
    6·2 answers
  • Find the area of this parallelogram<br> 4 units<br> 4.5 units<br> 6 units
    7·1 answer
  • if a polyhedron has a volume of 35 cm^3 and is dilated by a factor of 5/2, what will be the volume of the dilated polyhedron? Ro
    5·1 answer
  • I dont understand this 8x5/14=
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!