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Leni [432]
3 years ago
12

What is the mean of this data set? 6,7,2,1,5,2,1,6 PLEASE ANSWER FAST!!!!!!!!!!! 50 POINTS!!!

Mathematics
2 answers:
solniwko [45]3 years ago
7 0

Answer:

3.75

Step-by-step explanation:

Mean = sum/n

= (6+7+2+1+5+2+1+6)/8

= 30/8

= 3.75

Aleks04 [339]3 years ago
5 0

Answer:

The mean is 3.75

Step-by-step explanation:

To find the mean, add all the numbers and then divide by the number of numbers

(6+7+2+1+5+2+1+6)/8

30/8

3.75

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You weigh six packages and find the weights to be 20, 12, 52, 16, 48, and 44 ounces. If you include a package that weighs 60 oun
kvv77 [185]

Answer:

median

Step-by-step explanation:

The first step is to sort the numbers from largest to smallest (you could go the other way as well).

60 52 48 44 20 16 12

The median is the middle number 44 in this case. The median has 3 numbers on its left and 3 on its right (in this case). 44 has 60 52 48 or its left and 20 16 and 12 on its right.

The mean is the average. We'll call it the new average

The mean is 60 + 52 + 48 + 44 + 20 + 16 + 12 = 252

The new mean is 252 / 7 = 36

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

The old median is the average between the middle 2 numbers (before you added 60 you had 6 numbers)

52 + 48 + 44 + 20 + 16 + 12 = the average of 44 + 20 which 64/2 = 32

The old mean was (52 + 48 + 44 + 20 + 16 + 12)/6 = 32.

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

The median increased from 44 to 32 = 12

The mean went from 32 to 36 which is 4

Answer: the median increased more  

3 0
2 years ago
Find all solutions to the equation. <br><br> cos^2x + 2 cos x + 1 = 0
mixas84 [53]
\cos^2(x)+2\cos(x)+1=0\\\\ (\cos(x)+1)^2=0\\\\ \text{So:}\\\\ \cos(x)+1=0\\\\ \cos(x)=-1\\\\ \boxed{x=\pi+2k\pi},~k\in\mathbb{Z}
5 0
3 years ago
Read 2 more answers
A solid oblique pyramid has a regular hexagon base with an area of 54_/3 cm^2 and an edge length of 6cm. Angle BAC measures 60 d
Lady_Fox [76]

Answer: The answer is (C) 324 cubic cm.


Step-by-step explanation: As given in the question, given a solid oblique pyramid with a regular hexagonal base and area 54√3 cm². Also, the edge length of the base is 6cm and ∠BAC = 60°.

We are to find the volume of the pyramid.

The formula for finding the volume of a pyramid is given by

V=\dfrac{1}{3}b\times h,

where, 'b' is the base area and 'h' is the perpendicular height of the pyramid.

Here, b = 54√3 cm², h = ?

Now, from the right-angled triangle ABC, we have

\dfrac{\textup{BC}}{\textup{AC}}=\tan 60^\circ\\\\\Rightarrow \dfrac{h}{6}=\sqrt 3\\\\\Rightarrow h=6\sqrt 3.

Therefore, the volume of the pyramid is

V=\dfrac{1}{3}b\times h=\dfrac{1}{3}\times 54\sqrt 3\times 6\sqrt 3=324.

Thus, the required volume is V=324~\textup{cm}^3. This makes (C) as the correct option.



5 0
3 years ago
In how many ways can a group of 3 men and 3 women be arranged if the women insist on being next to each other?
Nadya [2.5K]
The answer shouls be 4.
m is men and f is female, so
fffmmm,
mfffmm,
mmfffm,
mmmfff
7 0
3 years ago
Which triangles are similar to triangle ABCABCA, B, C? Choose 1 answer: Choose 1 answer: (Choice A) A DEFDEFD, E, F (Choice B) B
Karolina [17]

Answer:

Triangle ABCABCA, B, C the option C is correct.

Step-by-step explanation:

As in the triangle ABCABCA, B, C

the given Choice A is DEFDEFD, E, F, and Choice B is GHIGHIG, H, I is in the same sequence as ABCABCA, B, C so option C is correct.

4 0
3 years ago
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