3 years ago

Draw a graph of a direct proportion y=2x. Using the graph, find: x for y=7 PLEASE HELP I HAVE 20 MINUTES LEFT

Mathematics

1 answer:

kotykmax [81]3 years ago

8 0

Answer:

3.5

Step-by-step explanation:

tell me if im right

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Jerome bought 15 videos from a department store. Some videos were new releases, x, which cost $19, and some videos were classics

Neporo4naja [7]

Answer:

The system of equations is

$x+y=15$

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Step-by-step explanation:

Let

x------> the number of videos of new releases

y-----> the number of classics videos

we know that

$x+y=15$ ------> equation A

$19x+8y=164$ ------> equation B

Using a graphing tool

Solve the system of equations

Remember that the solution of the system of equations is the intersection point both graphs

The intersection point is $(4,11)$

see the attached figure

therefore

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the number of classics videos is $11$

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Step-by-step explanation:

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sineoko [7]

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3 years ago

Factor 5x^2+20x+12

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Answer:

5 x ^2 + 20 x + 12

Step-by-step explanation:

not factorable

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