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3 years ago

Parallel to y=1/3x and through (6,2)

Mathematics

1 answer:

ddd [48]3 years ago

5 0

Answer: The line already goes thru 6,2 because 6=1/3(2) So the equation is y=1/3x

Step-by-step explanation:

(y-2)=1/3(x-6)

y-2=1/3x-6/3

y=1/3x

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3 years ago

For a continuous random variable x, the probability density function f(x) represents

jarptica [38.1K]

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Option d.

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3 years ago

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erik [133]

$2.=c.\\\\2\sin4x\cos4x=2\sin(2\cdot4x)=2\sin8x\\\\Used:\\\sin2\alpha=2\sin\alpha\cos\alpha$

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$3.=a.\\\\\dfrac{\sin x-1}{\sin x+1}=\dfrac{\sin x-1}{\sin x+1}\cdot\dfrac{\sin x+1}{\sin x+1}=\dfrac{\sin^2x-1^2}{(\sin x+1)^2}=\dfrac{\sin^2x-1}{(\sin x+1)^2}\\\\=\dfrac{-(1-\sin^2x)}{(\sin x+1)^2}=\dfrac{-\cos^2x}{(\sin x+1)^2}\\\\Used:\\(a-b)(a+b)=a^2-b^2\\\\\sin^2x+\cos^2x=1\to \cos^2x=1-\sin^2x$

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3 years ago

If Lin runs 21 laps at the same rate (1.2 minutes per lap) how long does it take her?

Firlakuza [10]

Answer:

It takes her 25.2 mintes

Step-by-step explanation:

You can just multiply 21 by 1.2 because that's how long she takes per lap and you can get 25.2

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3 years ago

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