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sladkih [1.3K]
3 years ago
14

Please help as soon as possible! Round your answers to one decimal place, if necessary. Find the mean and median of these data:

2, 5, 13, 15, 18, 20. tysmmm!
Mathematics
1 answer:
Paladinen [302]3 years ago
7 0

Answer:

Mean= 12.2

Median= 14

Step-by-step explanation:

The mean of the data can be calculated as follows

= 2+5+13+15+18+20/6

= 73/6

= 12.2

Mean= 12.2

The median can be calculated as follows

Arrange the numbers in an orderly way

2, 5, 13, 15, 18, 20

= 13+15/2

= 14

Median= 14

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Distance between 2,-5 and 3,-7
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Answer:

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Step-by-step explanation:

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Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two
Vinvika [58]

Answer:

8cm and 9cm

Step-by-step explanation:

8cm and 9cm would be the two possible lengths for the triangle because for the triangle to work you need the other two other sides when added together needs to be greater then 13. Furthermore 5 + 8 = 13 and as 13 is the same length as the one side that is given, a triangle couldn't possibly be formed as it would just be a straight line. Moreover, this is the same with 6 + 7 which is also 13. 7 + 2 is 9 and because 9<13 a triangle couldn't possibly be formed. Finally, 8 + 9 which equals to 17 are the only two possible lengths for the triangle as 17 > 12.

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The diameter of a cylindrical water tank is 12ft , and its height is 14ft . What is the volume of the tank?
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So the formula for finding the area of a cylinder is 2 \pi r^{2}+2 \pi rh . r=radius. If we put the numbers into the equation it is 2 \pi 6^{2}+2 \pi 6(14) We get 6 as the radius because half of 12 is 6. 6 squared is 36 and 6*14= 84. So our equation is now 2 \pi36+2 \pi84. 2*pi=6.28318530718 but let's round that to 6.283. So now our equation is much simpler 6.283(36)+6.283(84). Just multiply them. 226.188+527.772= 753.96 is your final answer. 
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average Speed and velocity = distance / time = 160 / 2 = 80 miles per hour.


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