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
Volgvan
3 years ago
8

The first term of a geometric sequence is 15 and the common ratio is 2/3. What is the 9th term of the sequence? Write your answe

r as a fraction.
Mathematics
1 answer:
likoan [24]3 years ago
6 0

Answer:

Step-by-step explanation:

a= 15

r = 2/3

a_{n}=ar^{n-1}\\\\a_{9}=15*(\frac{2}{3})^8\\\\=15*\frac{256}{6561}\\\\=5*\frac{256}{2187}\\\\=\frac{1280}{2187}

You might be interested in
Past experience indicates that the time re- quired for high school seniors to complete a standard- ized test is a normal random
seropon [69]
With a standard deviation of 6 minutes, we will test the hypothesis that σ = 6 against the alternative that σ < 6 if a random sample of the test times of 20 high school seniors has a standard deviation s = 4.51. use a 0.05 level of significance. <span /><span><span>
</span></span>
6 0
3 years ago
An insurance company charges Ted E. Bear $1400 per year for insurance on his home. The company has predicted that there is a 10%
Anna35 [415]

Answer:

$900  

Step-by-step explanation:

The given parameters are;

The amount Ted pays per year for insurance on his home = $1,400

The value of the insurance policy = $5000

The chance that Ted will make a claim on the policy = 10%

The expected value is given as follows

Incidence                     Probability(p)        Value(v)                                   v × p

A claim is made            0.1                  $5,000 - $1,400 = -$3,600     -$360

No claim                        0.9                 $1,400                                       $1260

Expected value is $1,260 - $360 = $900

The value the insurance company can be expected to make on average on the policy is $900    

7 0
3 years ago
The ____ ____ of equality allows you to divide both sides of an equation by the same number.
Minchanka [31]
Answer: division property

The division property equality states that if you dived both sides of an equation by the same non zero number the equality is not affected.
5 0
4 years ago
can someone answer this for me please? no guessing cause i will double check! explain how u got ur answer! make sure ur answer i
REY [17]
Yes: it is 72 degrees 
5 0
3 years ago
Compute the value of the discriminant and give the number of real solutions of the quadratic equation. -2x^2+8x-1=0
BabaBlast [244]
Divide given eq. by -2, we get, x^2-4x+0.5=0. Here a=1, b=-4 and c=0.5. As disccriminant is given by sqrt(b^2-4*a*c).so sqrt((-4)^2-4*1*0.5)=3.7417.
Real roots are x1,2=-b+-discriminant
x1=-4+3.7417=-0.2583 and x2=-4-3.7417=-7.7417
4 0
4 years ago
Other questions:
  • What is the measure of angle a and angle c ?
    10·1 answer
  • The sides of a cube are measured in whole centimeters. Which of the following could not be the cube's volume?
    13·2 answers
  • Can Anyone help me, please? The question and the answer choices are in the attachment below. My answer choice was C. -2. Am I ri
    10·2 answers
  • How do you write 55 another way
    7·1 answer
  • A new housing development has 2 sections from which to choose. Each section has 4 rows of homes, and each row contains 12 houses
    7·1 answer
  • I know that this is a lot but I really need help!! Hopefully, the reward will help!
    13·1 answer
  • (x-y) (x-1,y+3) (I need the answer pls)
    12·1 answer
  • Solve the proportion 5/3c=1/6
    15·2 answers
  • What is the product of 26 and -8.23? Do not round your answer.
    10·2 answers
  • An algebra configuration where the largest tile is labeled negative x squared, 3 tiles are labeled plus x, where each tile is ha
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!