Answer:
The average is 1550
Step-by-step explanation:
idk how to do this i just looked up an average calculator
9001
Or any whole number less than 9500
Answer:
Did you got my answer
if you don't then you can ask again as I will try my best
A half-life of the isotope is 15 days and at start its mass is 32 g.
A table:
t: m:
0 32 g
15 16 g
30 8 g
45 4 g
60 2 g
75 1 g
In the first column is used an arithmetic sequence ( a 1 = 0, d = 15 ).
In the second column is used a geometric sequence ( a 1 = 32, r = 1/2 )
C. Because complementary angles are two angles whose sum equals 90 degrees so do 90-40=50 then 50x2= 100
