He will have 7.75 left from the 20 dollar bill he spent
Answer: If the quadratic equation has real, rational solutions, the quickest way to solve it is often to factorise into the form (px + q)(mx + n), where m, n, p and q are integers. This is especially true where the coefficient of x2 is 1.
Example 1 - Solve x2+7x+12=0
Step-by-step explanation:
that's the only one I remember
Answer:
3^3
Step-by-step explanation:
3x3x3=27
Answer:
2.09 is less than 2.1
Step-by-step explanation:
2.1 is the same as 2.10
so 2.10 is greater than 2.09.