The amount that it rises each minute forms a geometric sequence...
a(n)=ar^(n-1), and we know that a=100 ft and r=1/2 so
a(n)=100(1/2)^(n-1)
And the sum of a geometric sequence is:
s(n)=a(1-r^n)/(1-r)
s(n)=100(1-0.5^n)/(1-0.5)
s(n)=200(1-0.5^n)
So we can call these sums the height function
h(t)=200(1-0.5^t)
So after 5 minutes...
h(5)=200(1-0.5^5)
h(5)=193.75 ft
Answer:i might be wrong but i believe its b
Step-by-step explanation:
Answer:
On day 20, they should both be on page 200
Step-by-step explanation:
I set the 2 equations up:
10d=8d+40 and then subtracted 8d from both sides
2d=40 and then divided both sides by 2
d=20
I then took 20 and multiplied it by 10 for Ashley (200) and then multiplied it by 8 for Carly (160) and added 40 (200)
Hope this helps!
Answer :D
2530
Question explanation:
<em>I'm truly sorry if this is incorrect - Answered by Lilo</em>
Answer:
8.84×10 To the power of -1
Step-by-step explanation:
stated number and decimal number is 8.84
goal: find the standard form of that number.
Defenition: (Plagarism Copyrights) The rules when writing a number in standard form is that first you write down a number between 1 and 10, then you write × 10(to the power of a number).
So 0.884 is 8.84/10
next put the numerator of 10 to 1 - 1/10
mulitiply 8.84 by 1/10-
this, the answer is multiply 8.84 by 10 to the power of -1
which is basically 8.84×10 To the power of -1
