The sum of a geometric sequence is:
s(n)=a(1-r^n)/(1-r) in our case:
s(n)=3(1-4^n)/(1-4)
s(n)=-(1-4^n)
s(n)=(4^n)-1 and s=1023
(4^n)-1=1023
4^n=1024
n ln4=ln1024
n=(ln1024)/(ln4)
n=5
Answer:
95 cents
Step-by-step explanation:
3.80/4 = 0.95
512/38 = 13 18/38
13 9/19
It makes 13 full boxes of candy per minute
Let's call the mystery number ' M ' .
You said that 8 + 5M = 43
Subtract 8 from each side: 5M = 35
Divide each side by 5 : M = 7
Answer:
B. 0.07
Step-by-step explanation:
You can use the "Desmos Graphing Calculator". It helps a lot.