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3 years ago

Which facts are true for the graph of the function below? Check all that apply.

Mathematics

1 answer:

AlekseyPX3 years ago

5 0

B. the x-intercept is (1,0).

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Arlecino [84]

We'll use the notation $\textrm{Arcsin } x$ for the principal value and $\arcsin x$ for all the values:

$\arcsin x = \textrm{Arcsin } x + 2\pi k \textrm{ or } (\pi - \textrm{Arcsin }x) + 2\pi k \quad \textrm{ integer } k$

Part I

$\sin(\theta/2) = \frac 1 2$

$\theta/2 = \arcsin \frac 1 2$

Part II. In our range we can write

$\sin(\theta/2) = \sin(\frac \pi 6)$

$\theta/2 = \frac \pi 6 \textrm{ or } \theta /2 = \pi - \frac \pi 6 = \frac{5\pi}{6}$

Part III.

$\theta = \frac \pi 3 \textrm{ or } \theta = \frac{5\pi}{3}$

Part IV.

$\theta/2 = \frac \pi 6 + 2\pi k \textrm{ or } \theta = \frac{5 \pi}{6} + 2\pi k \quad \textrm{integer } k$

$\theta = \frac \pi 3 + 4 \pi k \textrm{ or } \theta = \frac{5 \pi}{3} + 4\pi k \quad \textrm{integer } k$

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2 years ago

$2.99 picture frame: Markup 150%

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A 150% markup of a picture frame that costs 2.99 would cost : 4.49

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2 years ago

Please help this is so confusing u can have 25 points if u help me

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Step-by-step explanation:

Share 20pounds in the ratio 2:3

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20-8=12

Sharing 20pounds in that ratio gives 8pounds:12pounds

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Sharing 15cm in that ratio gives 3.75:11.25

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Kazeer [188]

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37.5

Step-by-step explanation:

the triangle is enlarged by a factor of 2.5 so you multiply all of the numbers in XYZ by 2.5 then add them

15+10+12.5=37.5 units

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3 years ago

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