Answer:
x=-5
Step-by-step explanation:
8+x=3
Subtract 8 from both sides of the equation.
x=-5
HTH :)
63 initially
Tonya is running a marathon she ran 12 miles she had 51 miles left now many miles is the whole marathon
Answer:
25
Step-by-step explanation:
because you have to divide by 15's
Answer:
<em>t = 1.51</em>
Step-by-step explanation:
<u>Exponential Model</u>
The exponential model is often used to simulate the behavior of a magnitude that either grow or decay in proportion to the existing amount of that magnitude.
The model can be expressed as
In this case, Mo is the initial mass of the radioactive substance and k is a constant which value is positive if the mass is growing or negative if the mass is decaying.
The value of k is not precisely given in the question, we are assuming
The model is now
We are required to compute the time it takes the mass to reach one-half of its initial value:
Simplifying
Taking logarithms
Solving for t
Answer:
Step-by-step explanation:
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- hope it helps! -
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