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
Firlakuza [10]
3 years ago
6

Find an explicit formula for the geometric sequence 3,15,75,375 a(n)=

Mathematics
1 answer:
DENIUS [597]3 years ago
8 0

Answer:

an = 3(5)^(n-1).

Step-by-step explanation:

15 / 3 = 5

75/15 = 5

375/75 = 5

So the common ratio is 5.

First term a1 =3

an = a1 r^(n-1) is the explicit formula.

so here we have:

an = 3(5)^(n-1).

You might be interested in
What is equivalent to the expression 4 / -3 to the square root of 64
satela [25.4K]

\sqrt{a}=b\iff b^2=a\ for\ a\geq0\ and\ b\geq0\\\\\dfrac{4}{-3\sqrt{64}}=\dfrac{\not4^1}{-3(\not8_2)}=-\dfrac{1}{6}

6 0
4 years ago
2 square root of 8 multiplied by the square root of 20
Len [333]

It is 25.2982212813 hope you have a good day

7 0
3 years ago
Read 2 more answers
Evaluate 5(14 – 23) + 8 ÷ 2.
horsena [70]

Answer:

5of-9+4

-45+4

-41

this is the answer

8 0
3 years ago
Read 2 more answers
........... hello.................
Nata [24]

Answer:

.................................

3 0
3 years ago
Read 2 more answers
Evaluate the following function f(x) = 2x + 4 for f(3)
Wittaler [7]

Answer:

the answer is b

Step-by-step explanation:

4 0
4 years ago
Other questions:
  • I’m really lost can somebody give me a hand?
    14·2 answers
  • Can someone please explain this to me? Thank you so much! (#18, H.O.T problems)
    14·1 answer
  • I’m having trouble figuring out the lengths and distance on the objects, can you help?
    11·1 answer
  • 5/6 minus what equals 1/3
    10·2 answers
  • There are four cups of cocoa three friends share them evenly how much does each friend get
    12·2 answers
  • Evaluate expression: add 23,26, and 17, then divide by 7
    14·1 answer
  • I have this one question that I don't get it is 16.404 ÷ 6.​
    12·2 answers
  • Please help i’ll give brainlest and lots of points !!
    10·1 answer
  • Will mark brainliest!
    11·1 answer
  • £3 is €4. <br> Convert £30 to euros.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!