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Shkiper50 [21]
2 years ago
12

Select all that apply

Mathematics
2 answers:
fredd [130]2 years ago
6 0

Answer:

Median: 27

Mean: 27

Step-by-step explanation:

ArbitrLikvidat [17]2 years ago
5 0

Answer:

For both sets of data, the median is equal to the mean.

The interquartile range (IQR) is greater for M's classes than J's classes.

Step-by-step explanation:

<u>J's Classes:</u>

23, 25, 27, 28, 32

Median: 27

Mean: 27

Mean Absolute Deviation: 2.4

Interquartile Range: 3

<u>M's Classes:</u>

20, 24, 26, 29, 31

Median: 26

Mean: 26

Mean Absolute Deviation: 3.2

Interquartile Range: 5

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See the attachment!

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How do I solve for x
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USE INVERSE OPERATION

Step-by-step explanation:

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2 years ago
What is the final amount of a $300 investment earning 4.5% interest compounded quarterly for 3 years?
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7 0
2 years ago
Find parametric equations for the path of a particle that moves along the circle x2 + (y − 1)2 = 16 in the manner described. (En
ArbitrLikvidat [17]

Answer:

a) x = 4\cdot \cos t, y = 1 + 4\cdot \sin t, b) x = 4\cdot \cos t, y = 1 + 4\cdot \sin t, c) x = 4\cdot \cos \left(t+\frac{\pi}{2}  \right), y = 1 + 4\cdot \sin \left(t + \frac{\pi}{2} \right).

Step-by-step explanation:

The equation of the circle is:

x^{2} + (y-1)^{2} = 16

After some algebraic and trigonometric handling:

\frac{x^{2}}{16} + \frac{(y-1)^{2}}{16} = 1

\frac{x^{2}}{16} + \frac{(y-1)^{2}}{16} = \cos^{2} t + \sin^{2} t

Where:

\frac{x}{4} = \cos t

\frac{y-1}{4} = \sin t

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x = 4\cdot \cos t

y = 1 + 4\cdot \sin t

a) x = 4\cdot \cos t, y = 1 + 4\cdot \sin t.

b) x = 4\cdot \cos t, y = 1 + 4\cdot \sin t.

c) x = 4\cdot \cos t'', y = 1 + 4\cdot \sin t''

Where:

4\cdot \cos t' = 0

1 + 4\cdot \sin t' = 5

The solution is t' = \frac{\pi}{2}

The parametric equations are:

x = 4\cdot \cos \left(t+\frac{\pi}{2}  \right)

y = 1 + 4\cdot \sin \left(t + \frac{\pi}{2} \right)

7 0
3 years ago
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