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Citrus2011 [14]
2 years ago
7

Sorry if my last one didn't have a picture, I decided to use a pdf to png converter instead.

Mathematics
1 answer:
laiz [17]2 years ago
5 0

Answer:

Step-by-step explanation:

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Am I dealing with harmonic stuff (trig)?
pochemuha

You just need to solve for when y=0:

\dfrac{\cos8t-9\sin8t}4=0\implies\cos8t-9\sin8t=0

\implies\cos8t=9\sin8t

\implies\dfrac19=\dfrac{\sin8t}{\cos8t}=\tan8t

\implies8t=\tan^{-1}\dfrac19+n\pi

\implies t=\dfrac18\tan^{-1}\dfrac19+\dfrac{n\pi}8

where n is any integer. We only care about when 0\le t\le1, which happens for n\in\{0,1,2\}.

t=\dfrac18\tan^{-1}\dfrac19\approx0.01

t=\dfrac18\tan^{-1}\dfrac19+\dfrac\pi8\approx0.41

t=\dfrac18\tan^{-1}\dfrac19+\dfrac\pi4\approx0.80

8 0
3 years ago
The sum of a number and six is eleven. Find the number.​
lisov135 [29]

Answer:

17

Step-by-step explanation:

6 + 11 = 17

Sum (addition of 2 numbers)

4 0
3 years ago
Read 2 more answers
Find the value of :<br><img src="https://tex.z-dn.net/?f=%20%5Csf%20log_%7B3%20%5Csqrt%7B2%7D%20%7D%28324%29%20" id="TexFormula1
qwelly [4]

Answer:

4

Step-by-step explanation:

Is that a log with the base of   3√(2)  ?

If so....my calculator says the answer is   4

Let's see if we can do it w/ou the calculator:

3 sqrt(2)^x = 324 =  3^4 * 2^2     Now 'LOG' both sides:

x log (3 sqrt 2)  =   log (3^4 *2^2)  =  4 log ( 3 * 2^(2/4)) = 4 log (3 sqrt2)

                       now divide both sides by log (3 sqrt2 )

  x = 4        (If I did the math correctly ! )  

8 0
2 years ago
in a typical bag of skittles, the ratio of red to yellow skittles is 3 to 7. If there are 40 skittles altogether, how many red s
irina [24]

Answer:

I love Skittles

what's your favorite color?

4 0
3 years ago
Please help me <br> Explain Step by step <br> Worth 15 points
solmaris [256]
Total monthly income = $5300
housing = 28%

= 28%*$5300
=(28/100)*$5300
=$1484

Letter C
7 0
3 years ago
Read 2 more answers
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