Because for example 349+567 is something you need to regroup.You start by the ones.9+7=16. You don't always need to regroup though
exterior angle is equal to sum of two opposite interior angle
141= 32 + x
141-32= x= 109° ANS.
Answer:
6n^2 + 5n = 4
Step-by-step explanation:
Represent the number by n. Then: 6n^2 + 5n = 4.
Next time, please include complete instructions. What were you supposed to do here?
Answer:
That is Arithmetic
Step-by-step explanation:
Arithmetic Sequence is described as a list of numbers, in which each new term differs from a preceding term by a constant quantity. Which is -5 in this case.
Hope this helps
Answer:
see explanation
Step-by-step explanation:
saying 
is the same as saying 
because the first is saying 
and the second is saying 
one is just a more drawn out version to solve
