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07.05.2021 •

Mathematics

Help pls!!! Mr. Nelson has a collection of 16 trumpets and tubas. Tubas have four valves and Trumpets have 3 valves.
When Mr. Nelson counted all the valves, there were
53 valves in all.
How many trumpets and how many tubas does Mr.
Nelson have?

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Ответ:

josephvcarter

22.11.2020

Mathematics

The x-Intercept of $x+3\cdot y = 9$ is (9,0) .

The y-Intercept of $x+3\cdot y = 9$ is (0, 3) .

We included the graph of the function at the end of this solution.

Step-by-step explanation:

Let $x+3\cdot y = 9$ , we must transform this function into its explicit form. That is:

$x+3\cdot y = 9$

$3\cdot y = 9-x$

$y = 3-\frac{1}{3}\cdot x$ (Eq. 1)

Where:

, are the independent and dependent variables, dimensionless.

x-Intercepts correspond to such values of such that y = 0 . That is:

( y = 0 )

$3-\frac{1}{3}\cdot x= 0$

$\frac{1}{3}\cdot x = 3$

x = 9

The x-Intercept of $x+3\cdot y = 9$ is (9,0) .

y-Intercepts correspond to such values of such that x = 0 . That is:

( x=0 )

y = 3

The y-Intercept of $x+3\cdot y = 9$ is (0, 3) .

Finally, we proceed to graph the given function and label all intercepts.

Determine the x- and y-intercepts of the graph of x + 3y = 9 .

Then plot the intercepts to graph th

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Help pls!!! Mr. Nelson has a collection of 16 trumpets and tubas. Tubas have four valves and Trumpets have 3 valves. When Mr. Nelson counted all the valves, there were 53 valves in all. How many trumpets and how many tubas does Mr. Nelson have?