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
oee [108]
3 years ago
14

A certain arithmetic sequence has the following for the nth term an= 12 + (n-1)(5)

Mathematics
1 answer:
marin [14]3 years ago
8 0

Answer:

a(n-1)+d

d=5

The anser is A

You might be interested in
(PHOTO) Please help me need this done by tomorrow thank you.​
Tomtit [17]

Answer:

2x+78=5x+15

78-15=5x-2x

3x=63

x=21

7 0
2 years ago
An animal reserve has 20,000 elk. The population is increasing at a rate of 13% per year. How long will it take for the populati
Lelechka [254]
Approximately 15.4 years

I multiplied 20,000 by 0.13 and got 2,600. Then I subtracted 20,000 from 60,000 to get 40,000. Finally I did 40,000 / 2,600 and got 15.4
3 0
3 years ago
Sides AC and BC of triangle ABC are extended as shown. The measures of ∠ACB and ∠ACE are (x+11) and (3x+5), respectively. Find t
uysha [10]
Angle DCB 123 degrees
angle ECD 52 degrees
8 0
4 years ago
Based on these equations, which one represents the greatest rate?
Firdavs [7]

For the 1st one its...

y = 7x + 5.

For the 2nd one its...

Choice C: 32

For the 3rd its...

Choice A: 3/4

3 0
3 years ago
Someone please helppppp!
zloy xaker [14]

Answer:

AB=24.5

Step-by-step explanation:

5x+7=7x

7=2x

x=3.5

7(3.5)=24.5

6 0
3 years ago
Other questions:
  • Help, thank you. :)
    11·2 answers
  • Indicate the equation of the line meeting the given conditions. Please put the equation in standard form. Containing A (1, 3) an
    9·1 answer
  • In physics the mass energy equivalence is that the mass of a body is measured by its energy content. This may be written algebra
    5·1 answer
  • Mrs Tay had 425 cookies at first.
    8·2 answers
  • Find the total thickness of 2 pieces of wood glued together. One piece is 5/7 inches thick and the other piece is 3/4 inches thi
    11·1 answer
  • complete the following table with mathematical statements that correspond to the proofs used to solve 4(x-3)/3=20
    10·1 answer
  • Which graph shows y=2⌊x⌋+1 ?
    10·2 answers
  • Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    14·1 answer
  • Can someone please explain how to do this? You don't have to answer the questions but If you can give me an explanation/formula
    8·1 answer
  • Simplify the expression and find its value when a = 5 and b = -3 .
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!