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saul85 [17]
2 years ago
6

Noah and Gabriel are in the same English class. They have taken 6 quizzes so far. Find the measures of center for each of the st

udents.
Noah’s scores: 84, 85, 85, 86, 90, 92


Total of 522


Gabriel’s scores: 82, 85, 86, 86, 90, 94


Total of 523


What are Noah’s mean, median, and mode?





What are Gabriel’s mean, median, and mode?
Mathematics
1 answer:
kow [346]2 years ago
6 0

Answer:

Not sure if you still want the answers but here you go

Step-by-step explanation:

Noah's mean: 87

Noah's median: 85.5

Noah's mode: 85

Gabriel's mean: 87.17

Gabriel's median: 86

Gabriel's mode: 86

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Two linear functions are combined with addition, and then the same two linear functions are combined by multiplication.
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Answer:

Step-by-step explanation:

We can eliminate options C and D quite quickly because factoring either one would have one equation be y = x and the other either y = 72x - 96 or y = 72x + 108. Neither of these added to x will give either option A or B

so that leaves E.

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we can find the zeros

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x = 1.5

x = 4/3

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and therefore also a factor in their product

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so all factors of E are

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now we need to distribute factors of 72 among the other two factors so that when we add them together the x¹ terms are either 16 or 17  and the x⁰ terms sum to -12. let "a" and "b" be the factors of 72.

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1.5a + 4b/3 = 12

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108/b + 4b/3 = 12

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b = (9 ± √-243) / 2

as both of these roots are imaginary numbers

there is no valid solution to this problem as posed

IF we allow a slight edit to answer B, we can factor 72 into 9•8

y = 8(x - 1.5)    y = 9(x - 4/3)

y = 8x - 12       y = 9x - 12

so the sum of the two would be 17x - 24

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