X+Y+Z=2+(-3)+(-4)=-5
That's your answer, lovely~
Answer:
The rate of decrease is 8%
Step-by-step explanation:
we know that
The general equation for the radioactive decay can be written as:

where
a is the amount in kilograms after time t.
a_0 is the original amount of the substance or y-intercept of the function
r is the decay rate, written in decimals.
t is the time
In this problem we have

so

solve for r

Convert to percentage

Move everything around. d+1.6=9.7. d=8.1.
The rays shown in the pictur: Ray VX, YZ , XY, ZV..... Plus more!
Answer: 64 25% of 256 is 64
Step-by-step explanation: