Answer:
b=0
Step-by-step explanation:
4b-1=-4+4b+3
4b-4b=-4+3+1
b=0
Answer:
You should do your homework.
Step-by-step explanation: It's not good if you don't do it.
Answer:I hope the following example will help you
Step-by-step explanation:
Ex1: If $1000 is invested now with simple interest of 8% per year. Find the new amount after two years.
P = $1000, t = 2 years, r = 0.08.
A = 1000(1+0.08(2)) = 1000(1.16) = 1160
There is a formula for adding consecutive numbers:
total = n*(n+1)/2
total = 80*(81)/2
total = 3,240