2 years ago

I need help with this

Mathematics

1 answer:

Ymorist [56]2 years ago

8 0

Answer: ?

Step-by-step explanation:

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2 years ago

Ridley covers about 190 miles every 4 days, about how many miles could he bike in 6 days

tia_tia [17]

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3 years ago

Can anyone help me with this problem?

Leviafan [203]

$\tan\Theta=\dfrac{|BC|}{|CA|}$

Use Pythagorean theorem:
$|AB|^2=|BC|^2+|CA|^2\\\\9^2=6^2+|CA|^2\\\\81=36+|CA|^2\ \ \ \ |-36\\\\|CA|^2=45\to|CA|=\sqrt{45}\\\\|CA|=\sqrt{9\cdot5}\\\\|CA|=\sqrt9\cdot\sqrt5\\\\|CA|=3\sqrt5$
$\tan\Theta=\dfrac{6}{3\sqrt5}=\dfrac{2}{\sqrt5}\cdot\dfrac{\sqrt5}{\sqrt5}=\dfrac{2\sqrt5}{5}$

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3 years ago

I need help with this​

I need help with this