Question 5 20 pts
Scientists trying to calculate the half-life (the time it takes for half of a sample to decay)
of Phosphorus-32, took measurements of the sample once every day for five days. On
what day should about a tenth of the original amount of P-32 remain? (Round answer to
the nearest day.)
Day Mass (g)
t
0
100
1
95
2
90.5
3
85
4.
82
u
78
?
10

a. 74 degrees

step-by-step explanation:

because the lines through the side and the box in the corners shows that these are congruent triangles and since they are mirrored the 37 degrees is also mirrored so the answer is 37 * 2 which is 74.

d

step-by-step explanation:

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )