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SCORPION-xisa [38]

2 years ago

7

Emily has 85 books on her bookshelf. of those books, 20% are mysteries, 18 are adventure stories, and the rest are fantasies. wh

at is the simplified ratio of fantasies to total books on her bookshelf?

1 answer:

Monica [59]2 years ago

7 0

50:85 which simplifies down to 10:17

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X puᴉɟ oʇ ǝʌɐɥ noʎ<br><br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%20%7B%7D%5E%7B2%7D%20%7D%7B5%20%7B%7D%5E%7B2%7D%20%7D

Law Incorporation [45]

Hello there! The value of x is 20 or -20

"20 or - 20" is one answer so you are supposed to answer 20 or -20, not choose only one.

Step-by-step explanation:

$\large{ \frac{ {x}^{2} }{ {5}^{2} } = {4}^{2} }$

First, we simplify 5² and 4²

$\large{ \frac{ {x}^{2} }{25} = 16}$

Multiply the whole equation by 25 to get rid of the denominator.

$\large{ \frac{ {x}^{2} }{25} (25) = 16(25)} \\ \large{ {x}^{2} = 400}$

Square both sides and solve the equation.

$\large{ \sqrt{ {x}^{2} } = \pm{ \sqrt{400} }}$

Also don't forget to write "plus or minus" symbol when we are solving a quadratic equation by squaring both sides.

$\large{x = \pm{20}}$

4 0

2 years ago

Why do we not use closed parentheses/brackets for positive and negative infinity?

andrew-mc [135]

Answer:

i dont know why

Step-by-step explanation:

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F the radius of a flying disc is 7.6 centimeters, what is the approximate area of the disc?

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Answer:

3.14x7.6=23.864 because raidus is the disctance around one circle

Step-by-step explanation:

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2 years ago

I WILL GIVE BRAINLIEST!!!

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Answer:

Which of the following questions allows for variability?

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Step-by-step explanation:

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2 years ago

A tire at the top of a hill starts rolling down the hill. If the diameter of the tire is 36 inches, how many inches has the tire

vredina [299]

The answer would be 360pi.

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2 years ago

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