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allochka39001 [22]
3 years ago
7

Solve the part that need solving.

Mathematics
1 answer:
amid [387]3 years ago
5 0

dowload this app now hehe:) p.h.o.t.o.m.a.t.h

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We have the equation:

y=a\cdot b^x

We know two points and we will use them to calculate the parameters a and b.

The point (0,3) will let us know a, as b^0=1.

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Now, we use the point (2, 108/25) to calcualte b:

\begin{gathered} y=3\cdot b^x \\ \frac{108}{25}=3\cdot b^2 \\ 3\cdot b^2=\frac{108}{25} \\ b^2=\frac{108}{25\cdot3}=\frac{108}{3}\cdot\frac{1}{25}=\frac{36}{25} \\ b=\sqrt[]{\frac{36}{25}} \\ b=\frac{\sqrt[]{36}}{\sqrt[]{25}} \\ b=\frac{6}{5} \end{gathered}

Then, we can write the equation as:

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1 year ago
A car dealership pays $8,550 for a car. They markup the price by 20.4% to get the retail price. What is the retail price of the
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3 years ago
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In a sequence of events, the total possible number of ways all events can performed is the product of the possible number of ways each individual event can be performed. Since there are 10 openings

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