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LekaFEV [45]
3 years ago
11

What is the coefficient in the expression 5x^2+3

Mathematics
2 answers:
Serjik [45]3 years ago
7 0
5 is the coefficient in that equation just remember that the coefficient is the number that all ways has the varible
Alinara [238K]3 years ago
6 0
The coefficient is 5.
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30 PTS!!! ANYONE GOOD AT MATH PLS HELP!
siniylev [52]

Answer:

\frac{2}{\sqrt{5} }

Step-by-step explanation:

To solve this, all we need to do is draw a triangle.  

From the arctan(2) we can deduce that tan(x)=\frac{2}{1}

From that, we can draw our triangle as we know that tan(x) is the opposite side over the adjacent side. Attached is that triangle. Through the Pythagorean Theorem, we can find that the hypotenuse of this right triangle is  \sqrt{5}

Now all we need to do is take the sin of this triangle, which is the opposite side over the hypotenuse

This gives us the value of \frac{2}{\sqrt{5} } which is our answer.

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