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labwork [276]
3 years ago
10

Is the square root of 12 plus 4 rational or irrational

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
7 0

Answer:

irrational.

Step-by-step explanation:


Svetradugi [14.3K]3 years ago
6 0

Answer:

Rational

Step-by-step explanation:

Solve: √(12 + 4) = √16

Simplify: √16 = 4 x 4 = 4

4 is the answer

Rational is your answer

~

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2 years ago
If r=10 and s=31 find R. Round to the nearest tenth
Vsevolod [243]

Answer: option c.

Step-by-step explanation:

You need to remember the identity:

tan\alpha=\frac{opposite}{adjacent}

The inverse of the tangent function is arctangent. You need to use this to calculate the angle "R":

 \alpha =arctan(\frac{opposite}{adjacent})

You know that you need to find the measure of "R" and r=10 (which is the opposite side) and s=31 (which is the adjacent side), you can sustitute values into \alpha =arctan(\frac{opposite}{adjacent})

Then, you get:

R=arctan(\frac{10}{31})\\\\R=17.9\°

3 0
3 years ago
Read 2 more answers
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adell [148]

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Step-by-step explanation:

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7 0
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nikitadnepr [17]
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