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Elena L [17]
3 years ago
13

I keep getting xtiny.cf/5GdS can i pls get a real answer. For the past six days, Vampire Weekend (a music band) practiced their

music for 35, 45, 30, 60, 35, and
55 minutes respectively. But on the seventh day, they had a huge jam session and practiced for six hours
(360 minutes). Which measure of central tendency (mean, median, or mode) will the seventh day affect
the most? Explain how you came up with your answer!
Mathematics
2 answers:
klemol [59]3 years ago
8 0

Answer:

Mean

Step-by-step explanation:

Since 360 is such a greater amount of time than the previous ones, it will greatly affect the mean.

erastovalidia [21]3 years ago
6 0

Answer:

Is this for your homework?

Step-by-step explanation:

That is cheating

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Please Help!!<br><br>Use Euler’s formula to write in exponential form.
LekaFEV [45]

Answer:

C, 4e^{i(7\pi/4)}

Step-by-step explanation:

To remind you, Euler's formula gives a link between trigonometric and exponential functions in a very profound way:

e^{ix}=\cos{x}+i\sin{x}

Given the complex number 2\sqrt{2}-2i\sqrt{2}, we want to try to get it in the same form as the right side of Euler's formula. As things are, though, we're unable to, and the reason for that has to do with the fact that both the sine and cosine functions are bound between the values 1 and -1, and 2√2 and -2√2 both lie outside that range.

One thing we could try would be to factor out a 2 to reduce both of those terms, giving us the expression 2(\sqrt{2}-i\sqrt{2})

Still no good. √2 and -√2 are still greater than 1 and less than -1 respectively, so we'll have to reduce them a little more. With some clever thinking, you could factor out another 2, giving us the expression 4\left(\frac{\sqrt{2}}{2} -i\frac{\sqrt{2}}{2}\right) , and <em>now </em>we have something to work with.

Looking back at Euler's formula e^{ix}=\cos{x}+i\sin{x}, we can map our expression inside the parentheses to the one on the right side of the formula, giving us \cos{x}=\frac{\sqrt2}{2} and \sin{x}=-\frac{\sqrt2}{2}, or equivalently:

\cos^{-1}{\frac{\sqrt2}{2} }=\sin^{-1}-\frac{\sqrt2}{2} =x

At this point, we can look at the unit circle (attached) to see the angle satisfying these two values for sine and cosine is 7π/4, so x=\frac{7\pi}{4}, and we can finally replace our expression in parentheses with its exponential equivalent:

4\left(\frac{\sqrt2}{2}-i\frac{\sqrt2}{2}\right)=4e^{i(7\pi/4)}

Which is c on the multiple choice section.

4 0
3 years ago
What is the sale tax on a 17500 truck if the tax rate is 6%
Arisa [49]
The sales tax is 1050
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2 years ago
13. A warehouse is distributing 1,080 blocks into 24 different packages for shipment. If each of the packages will hold the same
alina1380 [7]

Answer:

45

Step-by-step explanation:

All you have to do is 1080/24 that gives you 45.

8 0
2 years ago
Rita has a loan of $45,580. This loan has a simple interest rate 4% per year . What is the amount of interest that rRta will be
Feliz [49]

Answer:

$1,823.2

Step-by-step explanation:

Simple interest is calculated using the formula

I = P X R X T

where I is the interest amount

P is the principal amount: 45,580.  

R is the interest rate which is 4 %, or 0.04%

T is time, One year.

I = $45,580 x 0.04 x 1

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If in circle A is 60°, what is m∠BDC?
Novosadov [1.4K]
The m BCD would be 25 sorry if wrong!
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