Mr. Juarez opened a savings account with an
1 answer:
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Answer:
Step-by-step explanation:
Let denote the half life of our substance
to be our time,
is mass at time t and
as initial mass. Our half life equation can be expressed as:
from which we can obtained mass at any given time.
b. From our equation above,
we can convert our t into mins as
We then substitute value into the equation
Hence mass after 4hrs is
c. We can set our final mass to then substitute in the equation
. Substitute
Hence time until mass is 109.83 minutes
Answer:
Use the distributive property to multiply 3 by x−2.
y=(3x−6)(x+1)(x−4)
Use the distributive property to multiply 3x−6 by x+1 and combine like terms. y=(3x 2 −3x−6)(x−4)
Use the distributive property to multiply 3x 2 −3x−6 by x−4 and combine like terms. y =3x 3 −15x 2 +6x+24
Step-by-step explanation:
I also up a link there of a graph. Please tell me if you can open it. Hope this helps! :P
