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
brilliants [131]
3 years ago
15

D(n) = -5 (1/2)n-1 What is the 3rd term in the sequence?

Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0

Answer:

-5/4

Step-by-step explanation:

1. This is an explicit formula

All we have to do is plug n = 3 in the formula to find the 3rd term.

2. d(3)=-5(1/2)3-1

= -5/4

jonny [76]3 years ago
3 0

Answer:

-5

Step-by-step explanation:

dₙ = -5 (1/2)n-1

the 3rd term in the sequence means n = 3

d₃ = -5(1/2)(3-1) = -5(1/2)(2) = -5

You might be interested in
Who can get this one?
Ksivusya [100]
Are you asking for the whole sheet? But the first would have both P and Q I think would be in in quadrant three. If you want more, just remember that the top right corner is 1, the top left is 2, bottom left is 3, and bottom right is 4.
3 0
3 years ago
Sara has 20 sweets.
sdas [7]
17/29 + 6/29 + 4/29
= 27/30
<span>1 - 27/29 = 2/29 = 0.069</span>
4 0
3 years ago
Read 2 more answers
Solve 3x2 + 4x = −5.
erastova [34]

Answer:


Step-by-step exExplanation:

Solve:

3

x

2

−

4

x

−

5

=

0

is a quadratic equation in standard form:

a

x

2

+

b

x

+

c

,

where:

a

=

3

,  

b

=

−

4

,  

c

=

−

5

Quadratic formula

x

=

−

b

±

√

b

2

−

4

a

c

2

a

Plug in the known values.

x

=

−

(

−

4

)

±

√

(

−

4

)

2

−

4

⋅

3

⋅

−

5

2

⋅

3

Simplify.

x

=

4

±

√

76

6

Prime factorize  

76

.

x

=

4

±

√

2

2

×

19

6

Apply rule:  

√

a

2

=

a

x

=

4

±

2

√

19

6

Simplify.

x

=

2

±

√

19

3

Solutions for  

x

.

x

=

2

+

√

19

3

,

 

2

−

√

19

3

Related questions

How do you know how many solutions  

2

x

2

+

5

x

−

7

=

0

has?

What is the Quadratic Formula?

planation:


3 0
3 years ago
Read 2 more answers
Explain ways on how to divide 52 from 8
raketka [301]
52÷8=6.5

This is because 8 can go into 52, six times then your decimal pops up.

8 0
3 years ago
How would you find the volume of the solid in the figure shown above?
Natasha_Volkova [10]
The answer is D and it's pretty simple to do:

V_{1}=a*b*c\\&#10;V_{2}= \pi  r^{2} h\\&#10;V_{3}= \frac{1}{3}  \pi  r^{2}h

5 0
3 years ago
Read 2 more answers
Other questions:
  • Explain why the amount of money in the account at the end of t years is given by the formula:
    13·1 answer
  • cookie recipe calls for 1/4 teaspoon of vanilla extract she has 9/12 of a teaspoon in her kitchen how many batches of cookies ca
    14·1 answer
  • Paul has a number of counters two less than seven Draw the counters in the frame.
    14·2 answers
  • Which expression best estimates 6 and three-fourths divided by 1 and two-thirds? 7 divided by 2 6 divided by 1 8 divided by 3 3
    13·2 answers
  • Movie Selections The Foreign Language Club is showing a three-movie marathon of subtitled movies. How many ways can they
    11·1 answer
  • Homework: Compound Probability (With Replacement)
    15·1 answer
  • Find the equation of the line that is perpendicular to the given line and passes through the given point. Enter your answer in s
    9·1 answer
  • Guided Practice
    13·1 answer
  • Select ALL the correct answers.
    7·2 answers
  • Half of Maria's boxes were destroyed in a fire. She bought seven more boxes.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!