The answer is 726 ft Im pretty sure.
Answer:
63.75
Step-by-step explanation:
this is a geometric progression with a common ratio of -1/2
the formula for the sum of first n numbers is
Sn = (a1(1-r^n)) / 1 - r
so S8 = (32*(1 - 1/2^8)) / (1 - 1/2)
32*(255/256) / 0.5
Sn= 255 / 4 = 63.75
Answer:
--- cup 1
--- cup 2
Step-by-step explanation:
Given
Hemisphere
Cup 1
Cup 2
Required: How many scoop of each?
For cup 1
Calculate the volume
Where
Divide the volume of the hemisphere by the calculated volume of cup 1
--- approximated
For cup 2
Calculate the volume
Where
Divide the volume of the hemisphere by the calculated volume of cup 2
is this correct?
a * b = -70
a + b = -9......a = -9 - b
b(-9 - b) = -70
-b^2 - 9b + 70 = 0
(-b + 5)(b + 14) = 0
-b + 5 = 0
5 = b
b + 14 = 0
b = -14
ur numbers are -14 and 5
-14 * 5 = -70
-14 + 5 = -9