2 years ago

Plsss help meeee I need the answer!!

Mathematics

1 answer:

kipiarov [429]2 years ago

5 0

Answer:

A. p=3-2h

h=9-p

Step-by-step explanation:

Justin buys 3 less than twice as many hot dogs

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We have the equation:

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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:

$y=3\cdot(\frac{6}{5})^x$

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