There are 5 red marbles 8 blue marbles and 12 green marbles in a bag what is the theoretical probability of randomly drawing either a red marble or blue marble? 52% 20% 13% 32%

Step-by-step explanation:

should be 52%

probability of five red marbles or 8 blue Marbles is 13/25...

so this is 52%

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

step-by-step explanation: