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Serggg [28]
3 years ago
5

Define mean. Then determine the mean of the following data set (22,18,38,6,24,18)

Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0

Mean is the average number in the data set.

To get the average we first add all the numbers.

After we add all these numbers we then divide by the number of numbers in the data set.

So we do 22+18+38+6+24+18 which is equal to 126 there are six numbers so we divide 126 by 6. This gives us a mean of 21.

ANOTHER EXAMPLE:

Another example of this is the data set (4,65,7,34,5)

We first add all the numbers and get 115 then we divide by 5 and get 23 as the mean.



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Tanya wants to test the theory that the exterior angles of a
PilotLPTM [1.2K]

Answer:

f + e + d = 360^o

Step-by-step explanation:

The question is incomplete, as what is required is not stated and the triangle is not given.

So, I will solve generally.

The proof is as follows (see attachment for triangle)

From the attachment, we have:

a + f = 180

b + e = 180

c + d = 180

Make f, e and d the subject

f = 180 - a

e = 180 - b

d = 180 - c

Add up the equations

f + e + d = 180 -a + 180 - b + 180- c

Collect like terms

f + e + d = 180 + 180+ 180-a- b - c

f + e + d = 540-a- b - c

We have:

f + e + d = 540-(a+ b + c)

a + b + c \to 180 --- angles in a triangle

So, we have:

f + e + d = 540-180

f + e + d = 360^o --- proved

6 0
3 years ago
I need the answer to 7 not 6 u need 6 to answer 7
svetoff [14.1K]

Answer:

To determine if fractions are equivalent, you need to get a common denominator.  When the denominators are the same, if the numerators are the same, the fractions are equivalent

Step-by-step explanation:

To determine if fractions are equivalent, you need to get a common denominator.  When the denominators are the same, if the numerators are the same, the fractions are equivalent


4 0
4 years ago
What’s 2x5? Really stuck<br> On this
My name is Ann [436]

Answer:

10

Step-by-step explanation:

you multiply 5, 2 times wich gives you ten

8 0
3 years ago
Read 2 more answers
The Percent of increase
ANEK [815]
Percent of Increase = Increase / Original    * 100%

Increase = $33 - $30 = $3
Original Price = $30

Percent Increase = $3 / $30  * 100%  ====  10%
5 0
3 years ago
Read 2 more answers
in the first 1/2 mile of the trail, Jayden posts 3 signs that describe local birds. If the signs are equal distance apart , What
My name is Ann [436]
1/2 of a mile is divided equally into 3 parts- we need to find the distance between the second and third sign.

1/2 x 1/3 is 1/6.

This means that each sign is 1/6th of a mile apart.

If you have further confusions about the question, please feel free to message me and I will help to the best of my ability!

Hope this Helps!
-Sinnamin
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4 years ago
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