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## rebecca1233 2 years ago The dimensions of a rectangular prism are 3, 4, and 5. The volume of the prism is 7 12 24 60

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1. rebecca1233

@Mertsj

2. Opcode

Use the formula: \(a*b*c\) \(3*4*5 = 60\) So the answer is \(\huge 60\) Here is a site with the list of formulas for volume: http://www.math.com/tables/geometry/volumes.htm

3. rebecca1233

If the radius and height of a cylinder are multiplied by 3, the lateral area of the cylinder is multiplied by 6. 9. 12. 18.

4. rebecca1233

how about that one please help

5. rebecca1233

i postd it as a new question and tagged you. please

6. Opcode

If the radius and the height are multiplied by 3, that means that \(k = 3\) Since are looking for the area, which is \(k^2\) \(k = 3\) Input the values: \(k^2 = 3^2 = 9\)

7. rebecca1233

A triangular pyramid has a volume of 25 ft³. If all its dimensions are doubled, the volume of the new pyramid will be _____ ft³. 50 150 200 400

8. rebecca1233

you are such a good helper! i appreciate it. and telling me how

9. rebecca1233

hello?

10. Opcode

Hold on. A triangular pyramid has a volume of 25 ft³. If all its dimensions are doubled, the volume of the new pyramid will be _____ ft³. \(2^3 (25)= 200ft^3\)

11. rebecca1233

A cylinder has a radius of 4 cm and a height of 10 cm. The surface area of the cylinder is _____ cm². 40 80 112 224

12. rebecca1233

and pie sympbol is after each one of those answer options

13. rebecca1233

please help

14. rebecca1233

i appreciate it

15. Opcode

http://answers.yahoo.com/question/index?qid=20110503175553AAWTzcd Go to the link he explains it better. Anyway gotta go.

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