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atroni [7]
3 years ago
8

Why Does The Library Have So many Floors?

Mathematics
1 answer:
loris [4]3 years ago
4 0

(Only doing first six because there's just too many)

Reflection over the x-axis: (x, -y)

Reflection over the y-axis: (-x, y)

Reflection over both axes: (-x,-y)

-----------------------------------------------------

e.g. (-5,-9) over x-axis -> (-5,9), 4th letter

(2,-3) over y-axis -> (-2,-3), 9th letter

(6,4) over both axes -> (-6,-4), 17th letter

(-7,2) over both axes -> (7,-2), 12th letter

(-3.9,5) over y-axis -> (3.9,5), 1st letter

(4, 1 1/2) over x-axis -> (4, -1 1/2), 19th letter

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Answer:

The answer is option D: the advertiser is bidding $0.70 between 9 pm-12 am on weeknights.

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Answer:

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Step-by-step explanation:

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To solve number 16, first find the area of the unshaded circle using the formula: \pi 4^{2}. This is also 3.14*16. Multiply to get 50.24 m². Now find the area of the larger circle using the formula: \pi 6^{2}. This is also 3.14*36. Multiply to get 113.04 m². Now subtract 113.04 - 50.24 to get the shaded area or 62.8 m².

To solve number 17, first find the area of the square using the formula: side x side. In this case multiply: 5.25 x 5.25 to get 27.5625. Round to the nearest tenth to get 27.6 m². Now find the area of the circle using the formula: \pi 2.625^{2}. This is also 3.14*2.625. Multiply to get 8.2425. Round to the nearest tenth to get 8.2. Subtract 27.6 - 8.2 to get 19.4 m².

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