Abag contains 5 blue, 8 red, and 7 green marbles. a marble is selected at random. write each answer as a fraction, percent, and a decimal

Look at the explanation!

Step-by-step explanation:

Blue: 5/20 or 1/4, .25, 25%

Red: 8/20 or 2/5, .40, 40%

Green: 7/20, .35, 35%

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

move it to the other side

step-by-step explanation: