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Alex17521 [72]
3 years ago
11

pretty sad and pathetic when half the answers on here are wrong and marked verified or brainliest. even more sad when 18/20 ques

tions from my test were on here and i got a 65 lol yall are some clowns, what a waste of money
Mathematics
1 answer:
tekilochka [14]3 years ago
5 0

Answer:

Well im sure that it wasn't a persons intention it must be a mistake i have found this very useful and i have the basic

Step-by-step explanation:

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Write the equation of the line that passes through the points (2, 1) and (-8, -8).
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Step-by-step explanation:

Find the distance between the given points: (-7, 5) and (-8, 4)

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What is the solution to the linear equation?<br><br> 4b + 6 = 2 – b + 4
Reil [10]

Answer:

\large\boxed{b=0}

Step-by-step explanation:

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3 years ago
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ser-zykov [4K]

x+3-1.26923+4.12821 so if I am wrong it took me a while to work this out

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3 years ago
A circle has a circumference of 3.14<br> What is the diameter of the circle?
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3 years ago
Simplify 1- cos^2 Θ / cos^2 Θ<br><br> Answers<br><br> sin2 θ<br><br> cos2 θ<br><br> tan2 θ<br><br> 1
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Answer:

<h3><u /></h3>

<u>Trigonometric identities</u>

<u />

\large \begin{aligned}\cos^2 \theta + \sin^2 \theta & = 1\\\implies \quad \quad \sin^2 \theta & = 1 - \cos^2 \theta\\\\\tan \theta=\dfrac{\sin \theta}{\cos \theta} \end{aligned}

Therefore, using the <u>identities</u>, the given expression can be <em>simplified</em> as follows:

\large\begin{aligned}\implies \dfrac{1- \cos^2 \theta}{\cos^2 \theta} & = \dfrac{\sin^2 \theta}{\cos^2 \theta}\\\\& = \tan^2 \theta\end{aligned}

3 0
2 years ago
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