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 2 years ago
Bob bought a glass pyramid from a gift store. The pyramid, with a height of 5 cm and a square base of side 6 cm, was packed in a box shaped as a cube of side 7 cm. The empty space in the box was packed with paper tissue.
How many cubic centimeters of the box were stuffed with paper tissue?
A 283 cubic centimeters
B 293 cubic centimeters
C 313 cubic centimeters
D 343 cubic centimeters
 2 years ago
Bob bought a glass pyramid from a gift store. The pyramid, with a height of 5 cm and a square base of side 6 cm, was packed in a box shaped as a cube of side 7 cm. The empty space in the box was packed with paper tissue. How many cubic centimeters of the box were stuffed with paper tissue? A 283 cubic centimeters B 293 cubic centimeters C 313 cubic centimeters D 343 cubic centimeters

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JIJI
 2 years ago
Best ResponseYou've already chosen the best response.0How did you get that though?

Miss_Deva
 2 years ago
Best ResponseYou've already chosen the best response.3The cube has a volume s^3 =7^3=343. The pyramid had a volume of BH/3 where B is the area of the base and h is the height. B is 6*6=36, h=5 so V=60 Vtp=VcVp Vtp=34360=283 cm^3

JIJI
 2 years ago
Best ResponseYou've already chosen the best response.0What about this question? I got the answer 8 times is greater (B) but I keep second guessing it. A floor has two squareshaped designs. The area of the second squareshaped design is sixteen times greater than the area of the first squareshaped design. Which statement gives the correct relationship between the lengths of the sides of the two squares? A The length of the side of the second square is 2 times greater than the length of the side of the first square. B The length of the side of the second square is 8 times greater than the length of the side of the first square. C The length of the side of the second square is 16 times greater than the length of the side of the first square. D The length of the side of the second square is 4 times greater than the length of the side of the first square.

Miss_Deva
 2 years ago
Best ResponseYou've already chosen the best response.3D. The length of the side of the second square is 4 times greater than the length of the side of the first square.

Miss_Deva
 2 years ago
Best ResponseYou've already chosen the best response.3Wait for one sec, double checking.....

Miss_Deva
 2 years ago
Best ResponseYou've already chosen the best response.3I got D. as the answer again.

JIJI
 2 years ago
Best ResponseYou've already chosen the best response.0ok and how did you get that?

Miss_Deva
 2 years ago
Best ResponseYou've already chosen the best response.3The ratio of the sides would be the square root of of the ratios of the areas. Square root of 16 = 4. 4*4=16

Miss_Deva
 2 years ago
Best ResponseYou've already chosen the best response.3I had to redo it but I'm pretty sure that's right.

JIJI
 2 years ago
Best ResponseYou've already chosen the best response.0ok thanks. I must have done something wrong :)

Miss_Deva
 2 years ago
Best ResponseYou've already chosen the best response.3No problem. I do that all the time to :P

Miss_Deva
 2 years ago
Best ResponseYou've already chosen the best response.3Wish you luck on your test. :)
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