Answer:
the answer is=21
Step-by-step explanation:
u have to sum all of its sides
(length+breadth+height).
Varying inversely means y=a number divided by x
find the number: 7=k/5 =>k=35
so the equation is y=35/x
300*5=1500
150*5=750
75*5=375
2325
This is a relatively simple half life calculation.
To go from 6 to 3 grams, 1622 years is required.
3 to 1.5 grams another 1622 years is required.
So, it undergoes exactly 2 half-lives or 3,244 years.
To see more about half-life click here:
http://www.1728.org/halflife.htm
Answer:
68
Step-by-step explanation:
m7 + m8 = Straight line = 180
So, m7 = 180 - 112 = 68
