Answer:
what is the question
Step-by-step explanation:
Both solutions:
x = -1, -7/3
Answer:
A since if we multiply 4 × 4x, we get 16x, and 4 × 4, we get 16, which cancels with the other 16x - 16 on the left side. That makes sure that any x we choose will cancel out in the end.
Step-by-step explanation:
1. 16x - 16 = 4(4x-4)
2. 16x - 16 = 16x - 16
3. 0 = 0
Answer:
The half-life of a radioactive isotope is 140 How many days would it take for the decay rate of a sample of this isotope to fall to one-fourth of its initial value?
Step-by-step explanation: