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saw5 [17]
3 years ago
10

Colton scored a 70 on his first history test of the term and a 91 on the second history test. By what percent did Colton's score

increase?
Mathematics
1 answer:
Ilya [14]3 years ago
8 0

Answer:

20%

Step-by-step explanation:

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the exterior angle of a regular polygon is one third the size of its interior angle. how many sides does the polygon have
Aloiza [94]

Answer:

8 sides

Step-by-step explanation:

let x be the exterior angle then 3x is the interior angle

interior angle + exterior angle = 180° , then

x + 3x = 180

4x = 180 ( divide both sides by 4 )

x = 45

the sum of the exterior angles of a polygon = 360°

since the polygon is regular with each exterior angle = 45°, then

number of sides = 360° ÷ 45° = 8

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A cylindrical well has a radius of 8 feet and a height of 13 feet. What is the volume of the well? Use 3.14 for pi. Round your a
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