jrenwick001
14.07.2019 •
Mathematics
Find the sum of the first 12 terms of the sequence. show all work for full credit. 1,-4,-9,-
Solved
Show answers
More tips
- W Work and Career Which types of activities are not subject to mandatory licensing?...
- C Computers and Internet Thin Client: What It Is and Why You Need It?...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- F Food and Cooking Red Caviar: How to Choose the Best?...
- C Computers and Internet Clearing Cache: How to Speed Up Your Browser...
- S Style and Beauty How are artificial nails removed?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
- F Food and Cooking Everything You Need to Know About Pasta...
Answers on questions: Mathematics
- M Mathematics In an election, 65% of the voters were republicans, and 35% were not. of the republicans, 70% voted for candidate x, and of the non-republicans, 15% voted for candidate x....
- M Mathematics If it takes 2-1/2 cups of water to 1 cup of rice, how much water do need for 2/3 cups of rice?...
- E English We can say that Nina showed strength just like what a superhero does...
- M Mathematics Área de Cuadriláteros ¿Me pueden ayudar con esta tarea?...
- P Physics Aspaceship travels from earth in a straight line at relativistic speed v to another planet x light years away. write a program to ask the user for the value of x and the speed...
Ответ:
Let's find the rule where.
1-(-4)=5
-4-(-9)=5
It looks like we are subtracting 5 from the previous number. Since we know the rule, let's write out all.
1, -4, -9, -14, -19, -24, -29, -34, -39, -44, -49, -54; let's add them.
-318 is the sum
Ответ: