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Andrei [34K]
3 years ago
15

What is the mean absolute deviation of the following set of data? 10 4 2 4.

Mathematics
1 answer:
fredd [130]3 years ago
3 0

Answer:

80

Step-by-step explanation:

10+4+2+4=20 and 20×4 numbers=80

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How do you do this question?
katovenus [111]
<h3>4 Answers: A, C, E, and F</h3>

================================================

Explanation:

Choice A is true assuming we have a_n = (-1)^n*b_n

In this case, a_n = (-1)^n*\frac{1}{\sqrt{n}} and b_n = \frac{1}{\sqrt{n}}

--------

Choice B is false. See choice A above.

--------

Choice C is true. The sequence \{b_n\} is decreasing. As n gets larger, b_n gets smaller. This is because the denominator is growing larger with the numerator held constant.

--------

Choice D is false. This contradicts choice C.

--------

Choice E is true since the denominator is growing forever

This is similar to  \displaystyle \lim_{n \to \infty} \frac{1}{n} = 0

--------

Choice F is true due to choices C and E being true.  

--------

Choice G is false because it contradicts choice F.

8 0
4 years ago
Please help meeee!!!thanks
Andrew [12]

Answer:

Hi there!

The answer to this question is: 7

Step-by-step explanation:

You simply plug in the values given and solve

8(1/2) + 3(7) -18

4+21-18=7

4 0
3 years ago
Read 2 more answers
A marker is 0.13 m long. What is the length in milliliters
yanalaym [24]

For this case we have:

Note:<em> Milliliter is a unit of volume. It is not possible to convert distance units into volume units. </em>

We must convert the length 0.13 meters to millimeters.

By definition, 1 meter equals 1000 millimeters. That is to say:

1m = 1000mm

Then, applying the rule of three we have:

1m ------------> 1000mm

0.13m --------> x

Where x represents the length of the marker in millimeters.

Resolving:

x = \frac {(0.13 * 1000)} {1}

x = \frac {130} {1}\\x = 130

Thus, the marker measures 130 millimeters long

Answer:

130 millimeters


4 0
3 years ago
What is the reciprocal of tanB in the triangle below?
hjlf

Answer:

Tan A

Step-by-step explanation:

Tan B = opposite / Adjacent = AC / BC

Reciprocal of Tan B = 1 ÷ Tan B

1 ÷ Tan B = 1 ÷ AC/BC = 1 * BC / AC = BC / AC

Reciprocal of Tan B = BC / AC

the reciprocal of tan B is equivalent to :

Tan A = opposite / Adjacent = BC / AC

Hence, the reciprocal of Tan B is Tan A

3 0
3 years ago
Molly is planting the flowers using the proportional relationship of 18 pink flowers to 12 white flowers per row what is the rat
sladkih [1.3K]

Answer:

18:12

divide both sides by 3

6:4

divide both sides by 2

3:2

4 0
2 years ago
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