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mrs_skeptik [129]
3 years ago
10

hat is the mean of the numbers given below? 2, 2, 8, 10, 15, 30, 36, 40, 50, 51 Report your answer in decimal form.​

Mathematics
2 answers:
Sphinxa [80]3 years ago
7 0

Answer:

Mean = average or the sum of all numbers divided by how many numbers there are.

2 + 2 + 8 + 10 + 15 + 30 + 36 + 40 + 50 + 51 = 244

244/10 = 24.4

trapecia [35]3 years ago
5 0

Answer:

24.4

Step-by-step explanation:

Add all numbers together To get 244

Then divide by the number of numbers given (10)

244÷10 = 24.4

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I need help finishing the proof
erastova [34]

Answer:

See proof

Step-by-step explanation:

      Statements                  Reasons

1. \overline{AEC} bisects \angle DAB,\ \angle 1\cong \angle 2   Given

2. \angle 3\cong \angle 4                Definition of angle bisector

3. \overline{AE}\cong \overline{AE}                Reflexive property of equality

4. \triangle ABE \cong \triangle ADE               AAS postulate

5. \overline {AB}\cong \overline{AD}             Congruent triangles have congruent corresponding sides

6. \overline{AC}\cong \overline{AC}                Reflexive property of equality

7. \triangle BAC \cong \triangle DAC                   SAS postulate

8. \overline {BC}\cong \overline{CD}             Congruent triangles have congruent corresponding sides

6 0
3 years ago
There are many toys in a kindergarten. The ratio of the number of dolls to the number of balls to the number of cars is 7:8:5. I
ANEK [815]

Answer:

Number of Dolls = 28.

Number of Balls = 32.

Number of Cars = 20.

Step-by-step explanation:

Given the ratio of the number of dolls to the number of balls to the number of cars is 7 : 8 : 5.

Suppose the highest common factor of the three numbers be 'X'.

Then, Number of Dolls = 7x

Number of Balls = 8x

Number of Cars = 5x

Given the total number of dolls, balls, and cars is 80.

It means 7x + 8x + 5x = 80.

20x = 80

x = 80/20 = 4.

So, Number of Dolls = 7*4 = 28.

Number of Balls = 8*4 = 32.

Number of Cars = 5*4 = 20.

8 0
3 years ago
Logan collected pledges for the charity walk-a-thon. He will receive total contribution of $65.50 plus $21.75 for every mile he
valkas [14]

Answer:

so it goes like this that:

Step-by-step explanation:

first we will add 65.50 and 21.75

the answer will be divided by $370

4 0
3 years ago
Amy gets a new kennel for her dog. A sketch of the kennel is shown here. If the roof is in the shape of a triangular prism (bott
SpyIntel [72]

Answer:

<em>Surface area of the roof of the kennel, including the bottom face is 58.96 ft^2</em>

<em></em>

Step-by-step explanation:

The image is attached below

For the triangular sides of the roof, area is

A = \frac{1}{2}bh

where b is the base = 4 ft

h is the vertical height = 2.24 ft

A =  \frac{1}{2}*4*2.24 = 4.48 ft^2

for the two faces we have 2 x 4.48 ft^2 = <em>8.96 ft^2</em>

For the rectangular sections of the roof, area is

A = lh

where l is the length of the rectangle = 5 ft

h is the height of the rectangle = 3 ft

A = 5 x 3 = 15 ft^2

For the two rectangular faces, we have 2 x 15 ft^2 = <em>30 ft^2</em>

<em></em>

For the bottom face, area is

A = lw

where l is the length of the house = 5 ft

w is the width of the house = 4 ft

A = 5 x 4 = <em>20 ft^2</em>

<em></em>

Surface area of the roof of the dog kennel is

<em>8.96 ft^2 + 30 ft^2 + 20 ft^2 = 58.96 ft^2</em>

4 0
3 years ago
At the beginning of the week, Paloma opened a new box of 100 coffee creamers. Sixty-seven coffee creamers were used during the w
Sergio [31]
The answer would be 100 - 67 = 33
8 0
4 years ago
Read 2 more answers
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