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3 years ago

6

Solve for x: −3x + 3 < 6

1 answer:

UNO [17]3 years ago

7 0

−3x + 3 < 6

subtract 3 from both sides
-3x < 3

divide both sides by -3

***when you divide or multiply by a negative the sign flips

x>-1

Hope this helps! :)

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Given

See attachment for proper presentation of question

Required

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To do this, we simply calculate the mean and the range of each row.

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$R = Highest - Lowest$ --- range

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Sample 1

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Sample 2

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Sample 3

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Sample 7

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Sample 8

$\bar x_8 = \frac{973 +982 +975 +1030}{4}$

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Sample 9

$\bar x_9 = \frac{992 +1028 +991 +998}{4}$

$\bar x_9 = 1002.25$

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Sample 10

$\bar x_{10} = \frac{997 +1026 +972 +1021}{4}$

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Sample 11

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Answer:

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<em />

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(4 – 2i)(6 + 2i)

FOIL

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