3 years ago

Please help !!

Mathematics

1 answer:

AlexFokin [52]3 years ago

8 0

D. There are more variations in the scores for 4th hour because the mode(repeating) is 16

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4(x-11)^2=25

netineya [11]

Expand the square: 4(x-11)^ =25
4(x-11)(x-11)=25

Distribute : 4(x-11)(x-11)=25
4(x(x-11)-11(x-11))=25

Distribute: 4(x(x-11)-11(x-11))=25
4(x^-11x-11(x-11))=25

Solution: x=17/2
x=27/2

hope that helps

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12 is the square root of 144.
~Silver

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