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
True [87]
2 years ago
9

Which is the equation for the nth term of the geometric sequence: -4,8,-16...?

Mathematics
1 answer:
kobusy [5.1K]2 years ago
6 0

Answer:

aₙ=(-2)ⁿ*2.

Step-by-step explanation:

1) -4*(-2)=8; 8*(-2)=-16; -16*(-2)=32, ...

2) the required equation is:

aₙ=(-1)ⁿ*2ⁿ*2; ⇒ aₙ=(-2)ⁿ*2 or aₙ=(-1)ⁿ*2ⁿ⁺¹.

You might be interested in
Stephanie has 60 tickets to the carnival.She used 3/4 of her 60 tickets to play games.Then she used 1/5 of her remaining tickets
Lera25 [3.4K]

Answer:

<h2>She gave her brother 6 tickets</h2>

Step-by-step explanation:

This problem is on fractional numbers.

given that she has 60 tickets

1.She used 3/4 of her tickets to play game

=(3/4)*60

=180/4

=45

She is left with (60-45)= 15 tickets

2. She used 1/5 of her remaining tickets for rides

    =(1/5)*15

   =15/5

   =3

She is left with (15-3)= 12 tickets

3. She gave half of her tickets to her brother.

  = (1/2)*12

  =12/2

 = 6

She gave her brother 6 tickets

3 0
3 years ago
Solve the equation algebraically:<br> 10<br> 1<br> X= 7<br> I<br> I need an explanation too
Snowcat [4.5K]
Elaborate please for
3 0
3 years ago
What is the area of the trapezoid below?
Softa [21]

Answer:

B

Step-by-step explanation:

Hope this helps! have a great day!

3 0
3 years ago
What polyhedron can be formed from a net diagram that has 2 congruent hexagons and 6 congruent rectangles?
nexus9112 [7]
A) hexagonal prism......................................................................
6 0
3 years ago
How to solve by completing the square
AveGali [126]

https://www.mesacc.edu/~scotz47781/mat120/notes/quad_formula/quad_formula.html

Use this link to help you .

6 0
3 years ago
Other questions:
  • The Greasy Grab Bag claims that customers can make 20 different meal combinations from the menu items. If the Greasy Grab Bag ha
    15·1 answer
  • How do solve p+5=-2 with steps
    13·1 answer
  • N plus one half equals sevens four
    13·1 answer
  • Multiply the square root of 20 and the square root of 63
    12·2 answers
  • Which line is the graph of y - 2x + 4?<br> A)the x-axis<br> B)p<br> C) e<br> D)t
    9·1 answer
  • Please help me and if you can, could you please explain. Thank you :D
    13·2 answers
  • 8^x times 2^(4-x) = 1<br> Find x.<br> With detailed steps.
    11·1 answer
  • WHO HERE LIKES AMONG US??<br><br> also, whats 2+2
    7·2 answers
  • 2x - y = 5
    10·2 answers
  • Plz help!!!!!!!!!!!!!!!!!!!!!
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!