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
maw [93]
4 years ago
10

If the 1st and 10th terms of geometric sequence are 4 and 100. Fine the nth term of the sequence

Mathematics
1 answer:
gulaghasi [49]4 years ago
3 0
A(n)=ar^(n-1)  so

100=4r^9

25=r^9

ln25=9lnr

ln25/9=lnr

r=e^(ln25/9)

a(n)=4e^((n-1)(ln25/9)  if you wanted an approximation...

a(n)=4(1.43^(n-1))
You might be interested in
Moira's chili recipe makes 12 servings and uses 12 green peppers and 4 red peppers. Drag green peppers and red peppers into the
Romashka-Z-Leto [24]

Answer:

  see below

Step-by-step explanation:

Each serving uses 1 green pepper and 1/3 red pepper, so for 9 servings Moira needs 9 green peppers and 9/3 = 3 red peppers.

7 0
3 years ago
Honestly yall, I know it’s probably very easy for y’all but I’m terrible at math :/ could y’all help
JulijaS [17]

Answer:

i meant 7 bc it is isosceles.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the same as 3/5 and 4/7
kkurt [141]

Answer:

These are all the same questions with one answer. 0.6 is greater than 0.571. Therefore, 3/5 is greater than 4/7 and the answer to the question "Is 3/5 greater than 4/7?" is yes.

Step-by-step explanation:

6 0
3 years ago
Find the measure of angle x in the figure below: (1 point)
Goshia [24]
Answer is C) 51

Angle y is 62 degrees because it forms a straight line with the angles next to it (57 and 61) so angle y must be 62.

There are 180 degrees in a triangle so 180-62-67 = 51
4 0
3 years ago
Read 2 more answers
Need help please ^-^
Triss [41]

Factored form: (x + 1/5)(x + 1/4)

Foil: x^2 + 1/4x + 1/5x + 1/20

Simplify: x^2 + 9/20x + 1/20

Hope this helps!

6 0
3 years ago
Other questions:
  • The area of a square garage door is 9 square yards how long is each side of the garage door
    5·1 answer
  • Good points. Am i right on this problem?
    8·2 answers
  • Give a polygon with 13 sides, find sum of the measure of its interior angles
    12·1 answer
  • Solve the equation 3x+4y=12 for y
    14·2 answers
  • 2log5+log36-log9 pls euavalute pls I show work so I can learn please
    7·2 answers
  • Write an expression that represents the surface area of a prism
    13·1 answer
  • The following Leslie​ matrix, ​(a) find a population of size 10,000 for which the proportion of the population in each age group
    6·1 answer
  • Match each vertex in ABC to its corresponding vertex in the dashed triangle.
    11·1 answer
  • Math question angles
    8·1 answer
  • 2/120=X/80=Y/300 <br><br>x=? &amp; y=?<br>​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!