David flips a coin and rolls a standard number cube. find the probability that the coin will show heads and the cube will show a three

Step-by-step explanation:

The number of possible outcomes for a coin = 2

The number of possible outcomes for a number cube =6

When we flips a coin and rolls a standard number cube, the total number of possible outcomes will be :-

The favorable outcome for the coin will show heads and the cube will show a three (H,3)=1

Then , the required probability will be :-

Hence, the the probability that the coin will show heads and the cube will show a three

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11