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solong [7]
3 years ago
7

I am finding the mean of 13, 14 , 0, 36, 18 ,12. I got an answer of 15r3 how is the answer 15.5 and not 15.3

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
5 0
Mean = 13 + 14 + 0 + 36 + 18 + 12 / 6
Mean = 93/6
Mean = 15.5

So, yeah answer would be 15.5
Karolina [17]3 years ago
3 0
13+14+0+36+18+12=6 \\ 93=6x \\ x=15.5

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Kazeer [188]

Answer:

w = 26

Step-by-step explanation:

set up an equation; since this is a right angle, it equals 90 degrees

90 = w + 12 + 2w

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Would each of them be able to be the side lengths of a triangle?
ratelena [41]
Pythagoras Theorem:
hipotenuse²=leg₁²+leg₂²

First posible triangle:
hypotenuse=13    (13²=169)
leg₁=12                ( 12²=144)
leg₂=5                  (5²=25)

13³=144 + 25


Answer:can be side lengths of a triangle

Second triangle:
 hypotenuse=12.6    (12.6²=158.76)
leg₁=6.7                ( 6.7²=44.89)
leg₂=6.5                  (6.5²=42.25)

leg₁²+leg₂²=44.89+42.25=87.14≠158.76

Answer: cannot be side lenghts of a triangle.

third triangle:
hypotenuse=13    (13²=169)
leg₁=12                ( 12²=144)
leg₂=11                  (11²=121)

leg₁²+leg₂²=144+121=265≠169

Answer: cannot be side lenghts of a triangle.

fourth triangle:
hypotenuse=13   (13²=169)
leg₁=6                ( 6²=36)
leg₂=4                  (4²=16)

leg₁²+leg₁²=36+16=52≠169

Answer: cannot be side lenghts of a triangle.
8 0
3 years ago
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6 0
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Answer:

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