After one half life it i s 130/2 = 65 g
after another 2 half lives it will be 65*1/2^2 = 16g to nearest gram
Answer:
A) 45=x
B) Yes, since both A and B are 90°
Answer:
10)
180-3x =x (corresponding angles are equal)
x=45°
11)180-5x=3x ( same reason)
x=10°
12)180-6x=3x(same reason)
x=20°
Answer:
52%
Step-by-step explanation:
What is the percent of change from 74 to 35 rounded to the nearest percent
Step one:
given data
initial value=74
final value= 35
Required
Percent change
Step two:
Percent change= 74-35/74*100
Percent change=39/74*100
Percent change= 0.52*100
Percent change= 52%