Answer:
the answer is "B" the second one...
(1/2)(2)^x
at
0 = (1/2)(1) = 1/2
2= (1/2)(4) = 2
Step-by-step explanation:
If it decreases by 80٪, then only 20٪ remains.
15×20٪=15×20/100=15×0.2=3
Answer: 3
Answer:
24.4 Units
Step-by-step explanation:
For this, we will use the distance formula to find the distance between each vertex

So we do this for each side of the triangle to get AB =
, BC =
, and AC = 
We add these all up to get 24.4 (rounded)
The volume is scale factor³
Take the square root of the volume ratio

which is


The ratio of their radii is 3 : 5
Multiply it then you’ll get your answer