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
Nikitich [7]
3 years ago
8

Write an explicit formula for An, the nth term of the sequence 7, 42, 252, ...

Mathematics
1 answer:
AlekseyPX3 years ago
3 0

Answer:

Step-by-step explanation:

This is a geometric progression.

Givens

a1 = 7

r = 6

Formula

a_n = a1 * r^(n - 1)

a_n = 7 (6)^(n - 1)

Sample

Try n = 3

a_3 = 7*(6)^(3-1)

a_3 = 7*(6)^2

a_3 = 7 * 36

.a_3 = 252      which is exactly what it should be.

You might be interested in
What is the volume of the tissue paper in the packaging box?
nalin [4]
THe volume of the larger box is 2.1^3 times that of the ssmaller one

So Volume larger = 24 * 2.1^3 =  222.264  cm^3

Therfore volume of the tissue paper = 222.264 - 24 = 198.264 cm^3 Answer
5 0
4 years ago
Serena wants to wrap ribbon around the edge of the picture frame represented in the drawing. Which is the simplified form of the
Serjik [45]

Answer:

An object balances itself when a perpendicular line drawn through its Centre of Gravity (CG), passes through its base.

See the picture of a popular toy given below. The horse, the rider and the ball are all joined together as one single unit. This entire unit is balanced on the thin black rod shown. At which of the indicated positions, could the Centre of Gravity (CG) of the horse, rider and ball unit be?

A: A B: B

C: C D: D

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
Choose the correct answer to complete the sentence about how the wave is affected by the brick wall.
Viefleur [7K]

Answer:

I think sound waves

Step-by-step explanation:

I'm not smart listen to someone else

6 0
3 years ago
A rectangular garden is enclosed by 94 feet of fencing around its perimeter. The garden is 15 feet wide. How long is the garden?
scZoUnD [109]
94-30=60 
30 because there are four sides to a rectangle and two of them are 15 feet (wide) so 15+15=30 
6 0
3 years ago
Read 2 more answers
6. Claim: = 0.01.
vitfil [10]

Answer:

false

Step-by-step explanation:

you have to multiply the 52 and 68, making the n1 = 5577, not 5575

7 0
3 years ago
Other questions:
  • Can someone help me with this?
    10·1 answer
  • What equals 27? does 2x3=27 2x8= 27 2x9=27 3x8=27 3x9=27
    6·2 answers
  • Starting on Day 1 with 1 jumping jack, Kiera doubles the number of jumping jacks she does every day. How many jumping jacks will
    14·1 answer
  • Which set of ordered pairs does not represent a function?
    9·1 answer
  • Help please :) <br> And tell me the slope please
    6·1 answer
  • Lines s and t are perpendicular. If the slope of line s is 5, what is the slope of line t
    14·1 answer
  • Please help I’ll give 50 points look at the pic for question
    10·2 answers
  • The graph below could be the graph of which exponential function?
    13·1 answer
  • The action of coming to live permanently in a foreign country.
    15·1 answer
  • Determine the area of the shaded region below. ​
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!