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
Montano1993 [528]
3 years ago
12

What is the sum of this sequence 1+3+5+7+...+999

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
4 0

Answer:

250,000

Step-by-step explanation:

the equation of this arithmetic sequence is 1 + 2n

1 + 2n = 999

2n = 998

n  = 499

\mathrm{\sum _{n=0}^{499}1+2n} = 250,000

You might be interested in
Find x. PLEASE HELP!!
umka2103 [35]

Answer:the last box

Step-by-step explanation:the other ones wouldnt make any sense

4 0
4 years ago
Read 2 more answers
2 (w^2-2w)=5 SOLVE USING QUADRATIC EQUATION
Anastasy [175]

Answer:

x=4<u>+</u> 2root14/4

by using quadratic formula

3 0
3 years ago
A classmate is starting a fitness program
Crazy boy [7]
What is the question?
3 0
4 years ago
Solve: -5-(-8)<br> ILL GIVE YOU 15 POINTS IF YOU HELP, ill mark you brainiest to
Usimov [2.4K]

Answer:

3

Step-by-step explanation:

-5 + 8 = 3

keep inverse opposite:

-5 => -5

- => +

-8 => 8

7 0
3 years ago
Solve the system of equations by graphing<br>3x+y=7<br>x+2y=4​
nignag [31]

9514 1404 393

Answer:

  (x, y) = (2, 1)

Step-by-step explanation:

The graph of these equations is attached. The solution is ...

  (x, y) = (2, 1)

5 0
3 years ago
Other questions:
  • -2(5y - 1) - y = -4(y - 3)
    9·1 answer
  • What is 25% of 75? <br><br> Answer now! High value question on the market!<br><br> [ Really! ]
    15·2 answers
  • Find x if 14 equals x/152
    9·2 answers
  • An iphone is on sale for $180 It originally cost $200 What is percent off is the sales offering? PLEASE show your work.
    12·1 answer
  • Find the distance between points (3,2) and (3,-6)
    5·1 answer
  • If 59% was 2687 what is 29% of the unmentioned number?
    10·1 answer
  • 3y - 5 (2x + 3) - 12
    5·2 answers
  • If the function rule is y = 5x - 10 and the input is 12, what is the output.
    12·1 answer
  • Big Mack buys meat for the family reunion cookout. He needs to buy 11 packagesof meat. A package of hotdogs costs $2.59, and a p
    14·1 answer
  • an artist makes custom painted tiles using geometry concepts which tile explains shows fold reflectional and rotational symmetry
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!