On friday, a local hamburger shop sold a combined total of 444 hamburgers and cheeseburgers. the number of cheeseburgers sold was three times the number of hamburgers sold. how many hamburgers were sold on friday?

The amount sold was 111 hamburgers.

We know that the ratio of cheeseburgers to hamburgers is 3:1, meaning that 1/4 burgers are a hamburger. 1/4 of 444 gives us a final answer of 111 hamburgers.

"if it is my birthday, then it is snowing"

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.