3, -6, 12, 4, 20, ?

What's the next number in the sequence 3,-6, 12, 4, 20, ?
in Other Math Topics by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

Given 3,-6, 12, 4, 20

Differences are -9, +18, -8, + 16

Next difference would be -7
20 -7 = 13

Online Algebra Help - http://math.tutorcircle.com/algebra/

by Level 8 User (30.1k points)

Related questions

1 answer
I'm 12 ones between 20 and 30
asked Sep 12, 2017 in Other Math Topics by anonymous | 1.9k views
2 answers
20+02=10,40+08=05,60+05=12,80+16=?
asked Mar 13, 2016 in Other Math Topics by simran pandey | 1.5k views
1 answer
if 2 = 6, 3 =12, 4 = 20, 5 = 30, 6 = 42 then 9 = ?
asked Jul 16, 2015 in Word Problem Answers by angie | 714 views
1 answer
3,-6,12,4,20,? I am having issues figuring this out
asked Mar 30, 2015 in Algebra 1 Answers by anonymous | 503 views
1 answer
how to make 408 with 8, 12, 19, 19, and 20
asked Dec 7, 2014 in Fraction Problems by anonymous | 605 views
1 answer
Find numbers that make each sentence true. 6/n=18/n=n/20
asked Feb 13, 2016 in Other Math Topics by anonymous | 621 views
1 answer
5 : 6 = 10: __ = __ :18 = 20: __ = __ :30 + 30 __
asked Nov 13, 2014 in Other Math Topics by Cepauley Level 1 User (340 points) | 650 views
1 answer
50÷5=10*2=20-(-6)=26 exponent 2=?
asked Apr 30, 2014 in Other Math Topics by Mark | 603 views
1 answer
20 % of 2 is equal to
asked Nov 15, 2019 in Other Math Topics by dipali | 334 views
2 answers
-5 -4 -1 4 11 20 31 Nth term
asked Sep 24, 2019 in Other Math Topics by Bailey Evans | 7.6k views
1 answer
20.14 divided by 4
asked Apr 29, 2019 in Other Math Topics by anonymous | 501 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
733,304 users