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
Sedbober [7]
2 years ago
12

The sum of the first 21 terms of the progression, - 18, - 15,-12.....is?​

Mathematics
1 answer:
katovenus [111]2 years ago
8 0
You can just use the tn formula to solve this tn= t1 + (n-1)d
You might be interested in
the larger of two numbers is six less than twice the smaller number. if the sum of the number is 42 , find the number
USPshnik [31]

42-6=? (Answer) 36

I have to write 20 characters

4 0
3 years ago
Halp meh! This is Algebra 1 work.
elena55 [62]
I don't know algebra 1 sorry but i can do some pre-algebra and calculus
5 0
3 years ago
8,128 in expanded form
Brilliant_brown [7]

Answer:

8000,100,20,8

Step-by-step explanation:

explantion

3 0
2 years ago
Which can holds more an American beer can measuring 6.5cm in diameter by 14.1cm high or an European beer can measuring 5.2cm in
inn [45]

Answer:

European can holds more, Volume is approx 159π

American can, Volume is approx 149π

Step-by-step explanation:

V(cyl) = π · r² · h

6 0
3 years ago
Pls help me for brainliest answer answer needs to be correct
ira [324]

Answer:

a) 17, 29, 41, 53, 65....

b) 12n + 5

3 0
3 years ago
Other questions:
  • Identify the ordered pair that represents the vector from a(1,6) to b(2,-3) and the magnitude of ab
    11·1 answer
  • The cost in dollars of a Valentine's Dance is 45 + 3s where s is the number of students attending. What is the cost for 78 stude
    13·2 answers
  • Which of these is NOT equivalent to 2^-3
    11·1 answer
  • Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. Kevin spins th
    14·2 answers
  • Answer the questions, please I will give you 10 points
    11·1 answer
  • The weekly wages of employees of Volta gold are normally distributed about a mean of $1250 with a variance of $120. Find the pro
    14·1 answer
  • PLEASE HELP ASAP WILL GIVE BRAINLEIST!!
    8·1 answer
  • An engineer wants to know if the average amount of energy used in his factory per day has changed since last year. The factory u
    11·1 answer
  • 8x-3y times 5x5y over 10x6y2
    8·1 answer
  • Marcelina uses a blend of white corn and yellow corn to make tortilla chips at her restaurant. She needs to buy 50kg of corn in
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!