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larisa86 [58]
3 years ago
14

Can someone help me out here

Mathematics
1 answer:
Monica [59]3 years ago
5 0
The best options are B and D
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Given f(x)=2x^3+kx-9 and the remainder when f(x) is divided by x-2 is 23, then what is the value of k?
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Answer:

Step-by-step explanation: k=8

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3 years ago
What is the algebraic expression for the word phrase the quotient of j and 8?
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The word quotient means that you'll be dividing two terms. In this case, you are dividing j by 8. The algebraic expression showing this is \frac{j}{8}.
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Write the function tan(<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%5Cpi%20%7D%7B4%7D%20-x" id="TexFormula1" title="\frac{3\pi
Alenkasestr [34]

Step-by-step explanation:

\tan( \frac{3\pi}{4}- x)  =  \frac{ \tan( \frac{3\pi}{4} ) -  \tan(x)  }{1 +  \tan( \frac{3\pi}{4} ) \tan(x)}

Since tan(3pi/4) = -1

\tan( \frac{3\pi}{4}- x)  =  \frac{ - 1 -  \tan(x)  }{1  -  \tan(x)}

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3 0
3 years ago
How do I solve this? Thank you.
MariettaO [177]

Answer:

Heyya little student!

Sin means \frac{opposite }{hypotenuse}

5 is the hypotenuse (its opposite to 90 degrees )

So, sin β would be:-

the side opposite to the angle β divided by the hypotenuse of the triangle.

The side opposite to β is 4

and as I said earlier, the hypotenuse is 5

<h2>So, sin β would be:-</h2><h2>\frac{4}{5}</h2>

I hope it helped you!

Keep learning

and never stop smiling

You Are Awesome!

7 0
3 years ago
You attend a local public school and surveyed your class on each of the following questions and recorded their answers. You then
sergejj [24]
D seems to have the possibility of having the largest range.
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3 years ago
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