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43 votes
43 votes
Help me..........................​

Help me..........................​-example-1
User Dulce
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1 Answer

20 votes
20 votes

Answers:

25. a

26. b

27. c

28. a

29. d

30. d

Step-by-step explanations:

25.


C = 2\pi r = 2*(22)/(7)*(d)/(2) = (22)/(7)*d = (22)/(7) * 42 = 22 * 6 = 132

26.

It's the net of a cone

27.

It's the net of a prism (triangular prism)

28.


V = a^(3)


V = 1000 cm^(3)


a = \sqrt[3]{1000} = 10

29.


v = (d)/(t) = (850)/(25) = 34

30.


V = 25*10*8 = 2000 cm^3

User Krist
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2.6k points