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pochemuha
3 years ago
10

Find the mean 2.6, 0.0, 0.8 2.1 1.5

Mathematics
1 answer:
Alinara [238K]3 years ago
7 0

Answer:

2.6+0+0.8+2.1+2.5=8    8/5values=  1.6

Step-by-step explanation:

im assuming you meant to have a comma inbetween 2.1 and 2.5?

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A file that is 278 megabytes is being downloaded. If the download is 19.9% complete, how many megabytes have been downloaded? Ro
noname [10]

Answer:

55.3

Step-by-step explanation:

19.9% of 278 = 55.322

55.322 rounded to the nearest tenth = 55.3

8 0
3 years ago
Find the 11th partial sum of the summation of negative 7i plus 22, from i equals 1 to infinity.
Alinara [238K]
The answer is -220 
What you do is take -7 and multiply that by (1+2+3+4+5+6+7+8+9+10+11) and then after that add 11 again and multiply it by 22. It would look like this. 

-7 x (1+2+3+4+5+6+7+8+9+10+11) +11 x 22

Simplify that to -7 x 66 +11 x 22

now multiply -7 and 66 to get -462 

-462 +11 x 22 

multiply 11 and 22 

-462 + 242 

and your final answer will be -220 
4 0
2 years ago
Please help asap please
Rama09 [41]

Answer:

144 = 64 + 20x

144 = 64 + 20x

144 - 64 = 20x

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5 0
3 years ago
Solve the system of equation with substitution. y=4x+8 y=2x-9
Firlakuza [10]
I actually just learned this. I think this is the right answer.

8 0
3 years ago
The center on a target has a diameter of 5 inches. The whole target has a diameter of 25 inches. Complete the explanation for wh
kicyunya [14]

Answer:

The center is \frac{1}{25} of the whole target.

Step-by-step explanation:

Given:

Diameter of the center = 5 inches

Diameter of the whole target = 25 inches

We need to find the part of the center to the whole target.

Solution,

Firstly we will find out the areas of center and whole target.

For center;

Diameter = 5 in

Radius of circle is equal to half of the diameter.

radius = \frac{diameter}{2}=\frac{5}{2}=2.5\ in

Now we know that the area of circle is equal to π times square of the radius.

framing in equation form, we get;

Area = \pi \times{2.5}^2

For whole target;

Diameter = 25 in

Radius of circle is equal to half of the diameter.

radius = \frac{diameter}{2}=\frac{25}{2}=12.5\ in

Now we know that the area of circle is equal to π times square of the radius.

framing in equation form, we get;

Area = \pi \times12.5^2

Now to find the part of the center to the whole target we will divide Area of center with Area of the target.

framing in equation form we get;

the part of the center to the whole target = \frac{\pi \times2.5^2}{\pi \times12.5^2}= \frac{6.25}{156.25} = \frac{1}{25}

Hence the center is \frac{1}{25} of the whole target.

6 0
3 years ago
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