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Andreyy89
2 years ago
9

A cylinder has a volume of 78 cubic cm. What is the volume of a cone with the same radius and height?

SAT
1 answer:
rodikova [14]2 years ago
4 0

Answer:

Volume of cylinder V= bh= 78 cm^3, where b is area of base(circle). Then volume of cone = 1/3bh =1/3*78 = 26 cm^3

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Three student attempt to define what a line segment it?
ser-zykov [4K]

Answer:

First definition:

  • Duru's definition: A line segment is a line connecting two endpoints

                                               ⇅

  • Teacher's comment: What you've written is true, but it isn't a correct definition. A ray would also fit your defenition

Second definition:

  • Oliver's definition: A line segment is when three points are all on the same line.

                                                ⇅

  • Teacher's comment: Were you thinking of the team collinear?

Third definition:

  • Carlos' definition: A line segment is<u> part of a line,</u> not the whole thing.

                                               ⇅

  • Teacher's comment: I think you have the right idea, but you need to be more careful with your language.

Explanation:

A line segment is <u>part of a line</u> that connects points. It limited consequently, it has length.

  • Duru's definition: A line segment is a line connecting two endpoints

                                               

It is missing that it is just a part of the line. A ray also connects two points but extends infinetly in one direction. Thus,  Duru's definition is not so specific.

That justifies teacher's comment:

  • Teacher's comment: What you've written is true, but it isn't a correct definition. A ray would also fit your defenition

Second definition:

  • Oliver's definition: A line segment is when three points are all on the same line.

 

The constraint of a line segment to three points all on the same line corresponds to collinear points. Two points always form a line,, but three points lie on a line only in they are collinear.

That justifies, theacher's comment:                          

  • Teacher's comment: Were you thinking of the team collinear?

Third definition:

  • Carlos' definition: A line segment is part of a line, not the whole thing.

Mathematicall language is formal. You must use precise words. An expression as 'whole thing" is not formal.

That justifies teacher's comment:

  • Teacher's comment: I think you have the right idea, but you need to be more careful with your language.

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3 years ago
To complete an associate's degree, a student typically has to complete
liq [111]

Answer:

According to the U.S. Department of Education, most American colleges and universities award college credit by the semester hour. In order to receive an associate degree, you must earn at least 60 credits, which typically can be fulfilled by completing 20 three-credit courses.

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2 years ago
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