Answer:
First find the sum of 15 n-1
Step-by-step explanation:
then you can continue to 2n-1
Answer:
Step-by-step explanation:
Option 1
= 4
Option 2
= 30 + 15 - 35
= 45 - 35
= 10
Option 3
Option 4
= 30 + 15 - 5
= 45 - 5
= 40
Therefore, None of the given expressions has a value of 5.
I think you mean
so therefor since we can't take squaer root of negative
3t-9 must not be negative
basicaly, 3t-9 must be greater than or equal to 0
Answer:
0.0575
Step-by-step explanation:
when converting a percent to a decimal move decimal 2 spaces to the left
Answer:
(n+2)(n+1)
Step-by-step explanation:
Write out the numerator and cancel common factors:
(n+2)!/n! = (n+2)(n+1)n!/n! = (n+2)(n+1)
_____
You might be expected to multiply it out:
= n·n +2·n +n·1 +2·1
= n² +3n +2