2 years ago

Please help with simple probability question. Extra points & brainliest. Thanks in advance.

1 answer:

3 0

The answer is B) 1/3.

There are 6 faces on a rectangular prism, each of which is a rectangle.

The area of the front and back is given by 25(8) = 200 sq. cm.
The area of the bottom and top is given by 25(4) = 100 sq. cm.
The area of the right and left is given by 4(8) = 32.

There are 2 faces out of 6 with an area that is not a multiple of 100; 2/6 = 1/3.

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Do the ratios 5:3 and 13:8 form a proportion?

shepuryov [24]

Answer:

Step-by-step explanation:

Each ratio is irreducible, and they are different. Hence they are not the same value, so cannot be a proportion. A proportion is two equal ratios.

5 : 3 = 40 : 24

13 : 8 = 39 : 24 . . . . not the same as 40 : 24

_____

<em>Examples of proportions</em>

5/3 = 40/24 . . . is a proportion

13/8 = 39/24 . . . is a proportion