1.a container holds 15 pennies, 8 nickels, and 10 dimes. you will randomly select two coins without replacement. . use the tree diagram to answer the following: . how many ways can you select the coins? how many ways can you select exactly 1 nickel? . what is the probability that you select 2 pennies? . what is the probability that you select a dime and then a penny? .

30

step-by-step explanation:

times by times

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column