3 years ago

In polar coordinates the positive x axis is called?

Mathematics

2 answers:

VARVARA [1.3K]3 years ago

4 0

The positive x axis in polar coordinates is called a pole

nexus9112 [7]3 years ago

4 0

In polar coordinates, the x-axis is called the POLAR axis.

Apex

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7,210 books in a library are organized into 3 rooms. there are 1,960 more books in the first room than in the second room. the n

Free_Kalibri [48]

Answer:

750 books

Step-by-step explanation:

Let there be "x" number of books in the 3rd room

Now,

2nd room has 3 times as 3rd room, so we can write:

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Also, there are 1960 MORE books in 1st room than 2nd room, so we can write:

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In total there are 7210 books in all three rooms, thus we can write:

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Now, replacing the first 2 equations in this, we get:

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Solving for x:

$3x + 1960 + 3x + x = 7210\\7x=7210-1960\\7x=5250\\x=\frac{5250}{7}\\x=750$

"x" is indeed what we are looking for. Thus,

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olga55 [171]

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I think this is how you do it

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