Answer:
4) 0.001
Step-by-step explanation:
The amount (a) present in h hours is ...
a(h) = (initial value)×(1/2)^(h/(half-life))
6 days is 6×24 hours, so the amount remaining is ...
a(6×24) = 50×(1/2)^(6×24/9) = 50/2^16 ≈ 0.001 . . . . milligrams
Answer:
2 months
Step-by-step explanation:
x=months rented
20+30x=80 (Subtract 20 from both sides)
30x=60 (Divide both sides by 30)
x=2
Answer:
402.12
Step-by-step explanation:
V=πr2h= π·42·8≈402.12386
It is a square because its sides are the same length.
Answer:
Choice B. only Shota
Step-by-step explanation:
16z^2 - 40z
the greatest common value is 8z
8z (2z^2 -5)
24z^2 - 40z
the greatest common value is 8z
8z (3z^2 -5)
8z / 8z = 1
=
x
= 1 x
=
(Shota)