4 years ago

What is 20/10 as a mixed number?

Mathematics

1 answer:

nadya68 [22]4 years ago

8 0

Hello there!
the answer is 2

Hope this helps! :)
~zain

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Find the exact value by using a half-angle identity. tan seven pi divided by eight

murzikaleks [220]

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Answer:

1 -√2

Step-by-step explanation:

$\tan(x/2)=\dfrac{1-\cos(x)}{\sin(x)}\\\\\tan\left(\dfrac{1}{2}\cdot\dfrac{7\pi}{4}\right)=\dfrac{1-\cos\dfrac{7\pi}{4}}{\sin\dfrac{7\pi}{4}}=\dfrac{1-\dfrac{1}{\sqrt{2}}}{-\dfrac{1}{\sqrt{2}}}=\boxed{1-\sqrt{2}}$

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3 years ago

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Answer:

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Step-by-step explanation:

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Natali [406]

$3(2b + 3)^2 = 36$

Divide by 3 on both sides:
$(2b + 3)^2 = 12$

Square root both sides:
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Take away 3 from both sides:
$2b= \pm \sqrt{12} - 3$

Divide by 2 on both sides:
$b= \dfrac{ \sqrt{12} -3 }{2} \ or \ b= \dfrac{ -\sqrt{12} -3 }{2}$

Answer:
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Bas_tet [7]

B.Fabian does not know how many problemshe has already solved.He knows he has to solve 5 moreproblems to finish the assignment.
Hoped this helped! :)

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Jim is running on a trail that is 5/4 of a mile long. How many miles has he run so far?

vekshin1

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4 years ago