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3 years ago

PLEASE EXPLAIN REFER AMBITIOUS TO GENIUS TO ANSWER

Mathematics

2 answers:

Neporo4naja [7]3 years ago

7 0

Here, the survey 2 is biased.

Therefore :

$\frac{25+27+27}{150} *100 = 53$

In short, your answer would be 53 %.

Hope this helps !

Photon

Olenka [21]3 years ago

6 0

Survey 2 is biased.

Answer is 53%

Hope it helps!

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Equations and functions <br><br> What’s the answer to this ? I’m haveing trouble

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Answer:

B / px= k

Step-by-step explanation:

B = kpx

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3 years ago

PLS (factorise): <br><br> x²-33

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2 years ago

Proof that :<br><img src="https://tex.z-dn.net/?f=%20%7Bsin%7D%5E%7B2%7D%20%5Ctheta%20%2B%20%20%7Bcos%7D%5E%7B2%7D%20%5C%3A%5Cth

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Answer:

Solution given:

Right angled triangle ABC is drawn where <C= $\theta$

we know that

$\displaystyle Sin\theta=\frac{opposite}{hypotenuse} =\frac{AB}{AC}$

$\displaystyle Cos\theta=\frac{adjacent}{hypotenuse}=\frac{BC}{AC}$

Now

left hand side

$\displaystyle {sin}^{2} \theta + {cos}^{2} \:\theta$

Substituting value

$(\frac{AB}{AC})²+(\frac{BC}{AC})²$

distributing power

$\frac{AB²}{AC²}+\frac{BC²}{AC²}$

Taking L.C.M

$\displaystyle \frac{AB²+BC²}{AC²}$ ....[I]

In ∆ABC By using Pythagoras law we get

$\boxed{\green{\bold{Opposite²+adjacent²=hypotenuse²}}}$

AB²+BC²=AC²

Substituting value of AB²+BC² in equation [I]

we get

$\displaystyle \frac{AC²}{AC²}$

Right hand side

<h3><u>proved</u></h3>

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3 years ago

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