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puteri [66]
3 years ago
13

Plz help will mark brainliest plz!!

Mathematics
1 answer:
PolarNik [594]3 years ago
5 0
The answer is 30
(You use the SOHCAHTOA) and in this one you use TOA [tan30°= opposite/adjacent]

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Which is equivalent to √3/√8 when denominator is "rationalized"?
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Step-by-step explanation:

\dfrac{\sqrt3}{\sqrt8}=\dfrac{\sqrt3\cdot\sqrt2}{\sqrt8\cdot\sqrt2}=\dfrac{\sqrt{3\cdot2}}{\sqrt{8\cdot2}}=\dfrac{\sqrt6}{\sqrt{16}}=\dfrac{\sqrt6}{4}

<h3>Used:</h3>

\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\ \text{for}\ a\geq0\ \wedge\ b\geq0\\\\\sqrt{a}=b\iff b^2=a\ \text{for}\ a\geq0\ \wedge\ b\geq0\\\\\sqrt{16}=4\ \text{because}\ 4^2=16

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3 years ago
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In Justin's school, 0.825 of the students participate in a sport. If there are one thousand students in Justin's school, how man
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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
Which math sentence can be used to determine if this triangle is a right triangle? A triangle has side lengths 12, 15, 18. 12 +
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