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
kow [346]
3 years ago
15

HELP ASAP Find the 15th term or the geometric sequence 7, -21, 63,

Mathematics
1 answer:
mihalych1998 [28]3 years ago
5 0
<h3><u>Answer:</u></h3>

33480783

<h2><u>Step-by-step explanation:</u></h2>

<u>Finding the Common Ratio:</u>

We know that the formula for the common ratio of a GP is:

r = aₙ / (aₙ₋₁)        <em>(Where n is any integer)</em>

<em>replacing the values, taking n=2</em>

r = -21 / 7

r = -3

<u>Solving for the 15th Term:</u>

We know that the Formula for the nth term of a GP:

G(n) = a * r ⁿ⁻¹     <em>(where a is the first term and r is the common ratio)</em>

<em>replacing the values (taking n = 15 since we need the 15th term)</em>

G(15) = 7 * (-3)¹⁴

G(15) = 33480783

Hence, the 15th term of the given GP is 33480783

You might be interested in
For a given angle θ, sin θ = 1. What is cos θ?
sergiy2304 [10]

Answer:

sin90 =1

cos 90 = 0

Step-by-step explanation:

θ = 90 degrees

5 0
3 years ago
Please help and give explanation
Firlakuza [10]

Answer:

100 mins

Step-by-step explanation:

total no of gallons pool can hold=4500

gallons pool already holds=1500

rate of adding water= 30 gallons per min

time he can continue filing= 4500-1500/30

=3000/30

=100 minutes (m value)

correct me if I'm wrong appreciate me if I'm good

8 0
3 years ago
7m -- 4 for m = 8<br> Evaluate the following algebraic expression
arsen [322]
I don’t understand the question
If you mean
7m-4
M=8, this is the solution
7(8)-4
56-4
=52
But if you mean
7m- - 4
As in - + - = +
Then this is your answer
7(8)+4
56+4
=60
7 0
2 years ago
Which equation can be used to solve for in the following diagram?
g100num [7]

Answer:

Choice C should be the answer

Step-by-step explanation:

Because all of them adds up to 180 since it is a straight angle.

6 0
2 years ago
For this graph mark the statements that are true. HELP ME PLEASE!
lisov135 [29]

Answer:

c i believe

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Help Please, first one to answer gets BRAINLIEST!
    5·2 answers
  • This Question is From a Foreign Country :)
    14·1 answer
  • Help!! please! i will give brainliest
    15·1 answer
  • Find the area with Heron's formula pls help !
    6·2 answers
  • A set of average city temperatures in october are normally distributed with a mean of 20.6°C and a standard deviation of 2°C. wh
    7·1 answer
  • you can buy 5 cans of green beans at the village market for $3.40 . you can buy 10 same cans of the beans at sams club for $5.90
    13·1 answer
  • Four times a certain number decreased by twice the same number gives 17. the number is​
    12·1 answer
  • Divide and find quotient and reminder 4x³+6x²+19x-5 by 2x+5​
    10·1 answer
  • -4
    10·1 answer
  • The largest moth is the Atlas moth. The Atlas moth is
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!