Answer:
The Triangles are not similar. (There are no s's in the triangle anywhere)
Step-by-step explanation: Look at the image and try to find the letters and trace the line its in.
Answer:
4.25
Step-by-step explanation:
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 )