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
Keith_Richards [23]
3 years ago
13

Which formula can be used to find the nth term in a geometric sequence where a1=3 and r=2?

Mathematics
2 answers:
marissa [1.9K]3 years ago
7 0
Hello : 
answer D  <span> an=3•2^n-1</span>
AnnyKZ [126]3 years ago
6 0

The second one is D. 729/4,096

You might be interested in
How do I solve (21/12)/(7/12) ?<br>Is the answer 3?
alukav5142 [94]
It is! When you're doing a fraction specifically like that, the denominators cancel out. Therefore you can get rid of the 12. It just becomes 21/7, which as you know is 3.

Hope that helps :)
5 0
3 years ago
Use differentials to approximate the change in the volume of a cube when the side is decreased from 8 to 7.99 cm. (in cm3)
Firlakuza [10]

Answer:

  -1.92 cm³

Step-by-step explanation:

The formula for the volume of a cube in terms of side length is ...

   V = s³

Then the first-order approximation of volume for a small change ∆s in side length is ...

  V(s +∆s) ≈ V(s) + V'(s)·∆s

and the change in volume is ...

  ∆V ≈ V(s +∆s) -V(s) = V'(s)·∆s

The derivative V'(s) is ...

  V'(s) = 3s²

so the change in volume for s = 8 cm and ∆s = -0.01 cm is ...

  ∆V ≈ 3s²·∆s = 3(8 cm)²(-0.01 cm) = -1.92 cm³

 

4 0
3 years ago
Can anyone help me?
goldfiish [28.3K]

Given:

A right angle triangle ABC, right angled at C.

To find:

The measure of θ.

Solution:

In a right angle triangle,

\tan \theta=\dfrac{Opposite}{Adjacent}

In triangle ABC,

\tan \theta=\dfrac{AC}{BC}

\tan \theta=\dfrac{2.7}{5}

\tan \theta=0.54

It can be written as

\theta=\tan^{-1}0.54

\theta\approx 28.369

Therefore, the measure of θ is 28.369.

5 0
3 years ago
Someone help on the first and number
Lelu [443]
It is a mixed number because mixed mumbers have higher numerator than the denominator
3 0
3 years ago
Read 2 more answers
*****NEED ANSWER ASAP*****
Kay [80]

Answer:

-1.2 that is the point hope this helps

Step-by-step explanation:


5 0
3 years ago
Other questions:
  • A first number plus twice a second number is 1. Twice the first number plus the second totals 14. Find the numbers
    5·2 answers
  • Pythagorean theorem, please solve! Thanks
    10·1 answer
  • Tom used 5/8 yard of ribbon to tie weights on the tail of his kite. He cut the length of ribbon into equal pieces that were 1/12
    10·1 answer
  • Which box plot represents the data set?<br> {27, 20, 14, 15, 16, 17, 18, 19, 18, 19, 21}
    11·2 answers
  • Please help me immediately ​
    12·2 answers
  • Find the value of M
    7·1 answer
  • Can you answer this pls​
    7·1 answer
  • Which function has a greater y-intercept?
    14·2 answers
  • Round to the nearest hundredth 7.381
    13·2 answers
  • Find the x-intercepts of the parabola with<br> vertex (7,-12) and y-intercept (0,135).
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!