Answer:
x= 1/2
Step-by-step explanation: 8x+3y=7
-(4x+3y=5)
4x=2, and you get x=1/2
Answer:
A) x = 12
Step-by-step explanation:
if its a right angle? then the angle in total is 90 degrees,
subtract the 35 from 90 to get 55 degrees,
4x + 7 = 55 solve this
4x = 48
x = 12
Percentage abundance describes how many candies (object) are present within every 100 particles.
Relative abundance, however, is used to describe the abundance of a certain isotope of the object (candies in this case) within the given sample of the same object.