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NikAS [45]
2 years ago
14

IMAGE IS DOWN BELOW!! SOMEONE PLEASE HELP ME!! ILL GIVE YOU BRAINLIST ANSWER AND POINTS!!

Mathematics
2 answers:
Svetach [21]2 years ago
6 0
9^2+11^2=x^2
81+121=x^2
x^2=202
x=14.2
kumpel [21]2 years ago
4 0

Answer:

a^{2} + b^{2} = c^{2}

a and b are legs, c is the hypotenuse

9^{2} + 11^{2} = c^{2}

81   + 121 = c^{2}

202 = c^{2}     ( square root each side  \sqrt{202}

14.2126704036   = c

c = 14.2

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Mean=total/the number of values =>total=mean*the number of values
the total of the first set of 8 numbers is : total=8*8=64
the total of the second set of 12 numbers is: 12m
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the mean of the 20 number is: (64+12m)/20=5
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8 0
3 years ago
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Answer:

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5 0
2 years ago
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36

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3 0
3 years ago
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