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
konstantin123 [22]
2 years ago
11

Help pls!?!?!?!!! This is algebra 2

Mathematics
1 answer:
Tresset [83]2 years ago
5 0

\boxed{\sf a_n=\dfrac{(-1)^n}{5n}}

a:-

\\ \sf\longmapsto a_1=\dfrac{(-1)^1}{5(1)}

\\ \sf\longmapsto a_1=\dfrac{-1}{5}

\\ \sf\longmapsto a_1=-5

b:-

\\ \sf\longmapsto a_4=\dfrac{(-1)^4}{5(4)}

\\ \sf\longmapsto a_4=\dfrac{1}{20}

c:-

\\ \sf\longmapsto a_{30}=\dfrac{(-1)^{30}}{5(30)}

\\ \sf\longmapsto a_{30}=\dfrac{1}{150}

d:-

\\ \sf\longmapsto a_{19}=\dfrac{(-1)^{19}}{5(19)}

\\ \sf\longmapsto a_{19}=\dfrac{-1}{95}

You might be interested in
Does anyone know how to finish this equation?
nikdorinn [45]
Not sure what you mean?
6 0
2 years ago
What is 1,000 to the power of 4?
quester [9]
The answer to what is 1,000 to the power of 4 is 1,000,000
8 0
3 years ago
and Jerry is trying to earn $209 for some new video games if he changes $47 to mow a lawn how many Lawns will he need to know to
Andru [333]
209÷47= 4.45, but you cant mos part of a lawn, so he needs to mow 5 lawns
7 0
3 years ago
What is 16+x=12 and -3x=15
horrorfan [7]
-4 and -5
because to get 16 to 12 you have to subtract 4 but it wants you to add so you put a negative sign infront of it.

and a negative multiply by a negative equals a positive so -3×-5=15
5 0
3 years ago
Read 2 more answers
Lynette and Amber are planning their eighth-grade graduation ceremony. They are shopping for decorations for the stage.
Anna [14]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Amy and her sister are making lemonade for the school dance. Their recipe makes 2 quarts of lemonade. If they make 35 times the
    6·2 answers
  • Make a table of ordered pairs for the equation. y= 1/2x − 3 Then plot two points to graph the equation.
    11·2 answers
  • A square has an area of 39 square ft.What is the exact side length of the square?
    13·1 answer
  • Use remainder theorem to find f(4) f(x) = 2x^4-5x^3-8x^2-13x-6
    13·1 answer
  • Is -10/3 greater than or less than negative square root of 9​
    7·1 answer
  • Find the area of the triangle. If necessary, round the answer to two decimal places.
    10·2 answers
  • If you are paid $238.74 for 211 2 hours of work, what amount should you be paid for 34 hours of work at this same rate of pay?
    9·1 answer
  • Someone please help me:/
    11·2 answers
  • The area of a rectangle is 15 square inches. What wil be the area, in square inches, of the rectangle after it is dilated by a
    12·1 answer
  • How can you find 8 people can share 7 tickets equally
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!