Answer:
ummmmmmmmmmmmmmmmm
Step-by-step explanation:
hmmmmmmmmmmmm
There is a theorem that said that the ratio of lengths of chords at point of intersection are the same.
I think the relationship would be X/W = Y/Z
hope this helps
R would equal -189, there is step by step in the picture
Answer:
60.5 milligrams per square centimeter First, determine how many half lives have expired by dividing the time by the half-life. So: 55/20 = 2.75 That means that only 2^(-2.75) = 0.148650889 = 14.8650889% of the original substance remains. So just divide the amount remaining by 0.148650889 to get the original amount. 9 / 0.148650889 = 60.5445419 So originally, there was 60.5 milligrams per square centimeter 55 years ago.
Answer:
y = x - 3
Step-by-step explanation:
4y + 3 = 3y + x
y + 3 = x
y = x - 3
