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Nuetrik [128]
4 years ago
9

Jeffery has grades of 93 and 81 on the first two testes of the quarter. Progress reports are sent home after the third test. He

needs an A average. What grades doe Jeffery at least have to make on the third test?
Mathematics
1 answer:
navik [9.2K]4 years ago
5 0

Answer:

96 or 97

Step-by-step explanation:

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F(x) = -5x +8(7-x) find x such that f(x) =160
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Answer:

Step-by-step explanation:

f(x) = -5x + 8(7 - x)......when f(x) = 160

160 = -5x + 8(7 - x)

160 = -5x + 56 - 8x

160 - 56 = -5x - 8x

104 = - 13x

-104/13 = x

-8 = x <====

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Answer:

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Step-by-step explanation:

After the shoe purchase, her balance was $50 -45 = $5.

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Sally's balance on Sunday was $8.

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I think that this an example of a paired t test. Since each student (subject) is given 2 treatments of the same material. 
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Alice stand at point A and looks at the top of a 17.8 m tree TB, such that her line of sight makes an angle 38° with the horizon
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Answer:

Step-by-step explanation:

let the horizontal distance be x

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