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
olasank [31]
3 years ago
13

Write the first five terms of the geometric sequence in which a1=8 and the common ratio is -1/2.

Mathematics
1 answer:
Oliga [24]3 years ago
4 0

Answer:

First five terms are:

8 , (-4) , 2 , (-1) , (1/2)

Step-by-step explanation:

a_{1}=8 \\\\r = \frac{-1}{2}\\\\a_{2}=\frac{-1}{2}*a_{1}= \frac{-1}{2}*8= -4\\\\a_{3}=\frac{-1}{2}*a_{2}=\frac{-1}{2}*-4=2\\\\a_{4}=\frac{-1}{2}*a_{3}=\frac{-1}{2}*2=-1\\\\a_{5}=\frac{-1}{2}*a_{4}=\frac{-1}{2}*-1=\frac{1}{2}

You might be interested in
Calculate the mean of this data set<br> 12,7, 12, 9, 2, 15, 6, 6, 6, 1, 11
muminat

Answer:

7.9

Step-by-step explanation:

Mean=sum of observations/no. Of observations

Mean=(12+7+12+9+2+15+6+6+6+1+11)/11

Mean=87/11

Mean=7.9

4 0
3 years ago
A drawing of a company logo is 4 inches wide and 5inches long. If the drawing is enlarged so that it is 12.5 inches long and the
guapka [62]
By 2.5 so the 10 will be the width when enlarged
3 0
4 years ago
Devaughn's age is three times Sydney's age. The sum of their ages is 104 . What is Sydney's age?
aleksandr82 [10.1K]

Answer:

26

Step-by-step explanation:

u dont need it

5 0
3 years ago
Find the slope of the line y= -8/5x + 2
VikaD [51]

Step-by-step explanation:

Given

y = - 8 /5 x + 2

Comparing the given equation with y = mx + c

slope (m) = - 8/5

Hope it will help :)

7 0
3 years ago
if i helped 255 people and i only answered 38 questions whats my average number of people that i help per question?
aleksley [76]

Answer:

About 7 users per question

Step-by-step explanation:

Just divide the number of users helped by the number of questions answered.

3 0
3 years ago
Other questions:
  • Instructions: Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
    11·1 answer
  • What 2 numbers add up to 4 and equal 24 when multiplied
    8·2 answers
  • A line passes through the points A (2,-6) and B (-8,0). What is the slope of the line?
    9·1 answer
  • What are the greater than and less than symbols?
    9·1 answer
  • Which expression is equivalent to 4(2t+6)+4(t+3)?<br><br> 12t+27<br> 6t+36<br> 36t+12<br> 12t+36
    13·1 answer
  • What is the mean of the data set shown 68 70 72 74 76 78 80 82 84 86 88 90 92
    9·1 answer
  • A light bulb consumes 15300 watt-hours in 4 days and 6 hours . How many watt-hours does it consume per day?
    5·2 answers
  • PLEASE HELP DUE IN 5 minutes
    11·2 answers
  • For the three-part question that follows, provide your answer to each part in the given workspace. Identify each part with a coo
    5·1 answer
  • 1/2(-4+6n)=1/3n+2/3(n+9)
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!