In the first series, the summation applies to the whole (2n+3) inside
the parentheses, so the 3 gets summed up 5 times.
But in the second one, the summation only applies to the 2n , so
the 3 is only added after the summation is finished.
The difference between five 3s the first time and one 3 the second time
is your 12 .
Answer:
An equilateral triangle has three lines of symmetr
Step-by-step explanation:
letter d
The correct answer is A Marie does not know how many cherries she has to share. She knows she is sharing her cherries equally with 3 friends
Answer:
9/4 as a fraction or 2.25 as a decimal
Step-by-step explanation:
Answers:
Step-by-step explanations:
