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MrMuchimi
3 years ago
5

What is the mean?6-106-654-8​

Mathematics
2 answers:
aniked [119]3 years ago
8 0

Answer:

-0.43

Step-by-step explanation:

Mean is calculated by adding all the number and dividing them by the total amount of numbers.

6+(-10)+6+(-6)+5+4+(-8​)= -3‬

Now we have the sum

There are a total of 7 numbers

-3/7=-0.42857142857142857142857142857143

rounded is -0.43

erastovalidia [21]3 years ago
7 0

To find the mean of a set of data you must add the data together then divide the sum by the number of data in the set.

Step 1: Adding together the data

6 + (-10) + 6 + (-6) + 5 + 4 + (-8) = -3

Step 2: Count how many number there are in the data set

There are 7 numbers in this data set

Step 3: Divide the sum of the data (-3) by the number of data in the set (7)

-3 ÷ 7 = \frac{-3}{7}

OR

-3 ÷ 7 ≈ -0.43

The mean of this data set is \frac{-3}{7} OR -0.43

Hope this helped!

~Just a girl in love with Shawn Mendes

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telo118 [61]

Answer:

2, 3/4 and 1

Step-by-step explanation:

8 0
3 years ago
Two people are standing on opposite sides of a hill. Person A makes an angle of elevation of 65° with the top of the hill and pe
8090 [49]

Answer:

Option 3. 71 ft. is the distance between B and top of the hill.

Step-by-step explanation:

Let the height of the hill is h ft and the distance of A from the hill be x ft and distance from B to hill is y.

It is given distance between A and B is 45 ft. ∠BAO = 65° and ∠ABO = 80°.

We have to find the distance of B from the top of the hill.

Now from ΔACO tan 65 = \frac{h}{45-x} = 2.14

h=2.14(45-x)

From ΔBCO tan80 = \frac{h}{x} = 5.67

h = 5.67x

Now h = 5.67x = 2.14(45-x)

5.67x = 96.3 - 2.14x

2.14x + 5.67x = 96.3

7.81x = 96.3

x = 96.3/7.81 = 12.33 ft

Therefore cos80 = \frac{x}{OB}

0.174 = \frac{12.33}{OB}

OB = \frac{12.33}{.174}=70.86=71ft.

Therefore 71 ft is the distance between B and the top of the hill.

3 0
3 years ago
The diagram shows corresponding lengths in two similar figures. Find the area of the smaller figure. 240cm
7nadin3 [17]
Hey! My last name's Alvarez too! Anyway, the answer came out to 180cm squared. Hope I helped! Since you can barely get more than one or two answers on this site
5 0
3 years ago
This is my math homework and its geometry please help.
aniked [119]

The area of the shape is 28 square meters

<h3>Area of composite shapes</h3>

The given shape is a composite shape that is made up of  a square and a rectangle.

The area of the shape is expressed as:

Area = area of square + area of rectangle

Substitute the given dimension

area of the shape = (2*2) + (6*4)

area of the shape = 4. + 24

area of the shape. = 28 square meters

Hence the area of the shape is 28 square meters

Learn more on area of rectangle here: brainly.com/question/2607596

#SPJ1

8 0
1 year ago
The length of a rectangle is 3 times the width if the area is 147 what is the perminer
spayn [35]
Formula for are of a rectangle:
        A =L * W
1st isolate W
   147 = 3W * W
   147 = 3W^2
divide 147 by the by 3 on bot sides
    29 = W^2
get ride of the square by square rooting on both sides
     7 = W

2nd find the perimeter
    P = 2(7) + 2(21)
    P = 14 + 42
    P = 56
7 0
3 years ago
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