19. What is the probability of tossing a penny and landing on heads two times in a row?
20. The area of one playing card is 24 square centimeters. 52 cars are stacked on top of each other to make a deck. What is the volume of that solid deck?

Question

04-06-2016
Mathematics

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19. What is the probability of tossing a penny and landing on heads two times in a row?
20. The area of one playing card is 24 square centimeters. 52 cars are stacked on top of each other to make a deck. What is the volume of that solid deck?

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AL2006 AL2006 · Answer 1 · 2016-06-04T21:38:44+02:00

19).
The probability of landing on heads the first time is 1/2.
The probability of landing on heads the second time is 1/2.
The probability of landing on heads both times is

   (1/2) · (1/2) = 1/4 = 25% .

20).
The volume of the solid deck is

   (length · width) · (height)

   =    (24 cm²)   ·   (52 · the thickness of each car) .

19. What is the probability of tossing a penny and landing on heads two times in a row? 20. The area of one playing card is 24 square centimeters. 52 cars are stacked on top of each other to make a deck. What is the volume of that solid deck?

Respuesta :

Otras preguntas

19. What is the probability of tossing a penny and landing on heads two times in a row?
20. The area of one playing card is 24 square centimeters. 52 cars are stacked on top of each other to make a deck. What is the volume of that solid deck?