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
Alchen [17]
3 years ago
13

Find the sum of the first 21 terms of the arithmetic sequence 5, -2, -9.

Mathematics
2 answers:
Vadim26 [7]3 years ago
6 0

Answer:

-1365

Step-by-step explanation:

The difference is -7, so you apply that to each number to get your answer.

USPshnik [31]3 years ago
5 0
The correct answer is idk for me
You might be interested in
A ratio comparing a number to 100
katen-ka-za [31]

"Percent" - For details read the explanation given below.


percentages compare numbers in the numerator to 100 and the ratio that compares a number to 100 is logically called percent.

5 0
3 years ago
8(b-2)-12b what is the answer ?
arlik [135]
4(-b-4)

Hope this helped :)
8 0
3 years ago
Read 2 more answers
Khloe has 28 coins in her collection. That is five more than kourntey has. How many does kourtney have?
AnnyKZ [126]

28 is five more than 23

7 0
3 years ago
Read 2 more answers
There are 96 diners in a restaurant. If 3/8 of the diner are children, what fraction of
ivolga24 [154]
2929292922929921919101020293949
5 0
3 years ago
Find the solution(s) for x in the equation below.
Maru [420]

The answer is C.) x = 7; x = -6

6 0
3 years ago
Read 2 more answers
Other questions:
  • Find:<br> what is 3/7 of 49?
    9·1 answer
  • 7(1-2x)=-x+33<br>solve with every step
    13·2 answers
  • Whats -1.55 as a fraction
    12·2 answers
  • 2x(squared) + 5 - 2<br><br> What is the answer to this trinomial?
    15·2 answers
  • Help me on this please
    15·1 answer
  • Charlie is charging his tablet. The graph shows how long it takes for his tablet to charge. Use the graph to answer Parts A-D.
    14·1 answer
  • Triangle BED is located at B(1,1),E(3,1), and D(2,5). If the triangle is dilated by 3, what is the new location of E?
    15·1 answer
  • The drama club is selling tickets to their play to raise money for the show's expenses.
    13·1 answer
  • Y = 3x + 4<br> What is the y-intercept?<br> What is the slope?
    12·2 answers
  • What are the factors in the expression ​3(x + 8)
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!