Answer:
x+18
Step-by-step explanation:
Answer:
Nope
Step-by-step explanation:
Standard form for a linear equation in two variables is
with the terms containing x and y on the left side of the equation and a number on the right side.

Subtract 3 from both sides.

Add 5y.

21/49
=3/7(divide by 7 numerator and denominator)
PLs brainliest answer
Answer:

Step-by-step explanation:
The time constant of the isotope is:


The decay of the isotope is described by the following model:

Now, the time is cleared in the equation:


