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hoa [83]
3 years ago
7

2 Points

Mathematics
2 answers:
BARSIC [14]3 years ago
8 0

Answer:

65⁰

Step-by-step explanation:

x + 115⁰ = 180⁰ (co exterior)

x = 180 - 115 = 65⁰

KonstantinChe [14]3 years ago
6 0

Answer:

C

Step-by-step explanation:

The angle adjacent to x on XY = 115° ( corresponding angle )

This angle and x are adjacent and supplementary , thus

x = 180 - 115 = 65 → C

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umka21 [38]

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Step-by-step explanation:

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lubasha [3.4K]

Answer:

The answer is "(4, -5)".

Step-by-step explanation:

Please find the complete question in the attached file.

In the given image file when we rotate it to 90 degrees clockwise so the value as the rule is (x, y) \longrightarrow (y, -x)

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3 years ago
A circle with radius 5 has a sector with a central angle of 9/10 pi
Solnce55 [7]

Answer:

35.33

Step-by-step explanation:

The circle with radius 5 has a sector with a central angle of 9/10 pi.

The area of a sector is given as:

A_s = \frac{\alpha }{2\pi} * \pi r^2

where α = central angle of the sector in radians

r = radius of the circle

The area of the sector is therefore:

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The area of the sector is 35.33.

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4 years ago
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Answer:

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Step-by-step explanation:

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Lines a and b are perpendicular. The equation of line a is y=1/3x+3. What is the equation of line b
kykrilka [37]
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