Answer:
This ans is easily solved by using algebraic identities a²- b² = (a+b) (a-b)
Step-by-step explanation:
1. convert into Identity
2. solve quadratic equation that formed.
Factor Tree
54
6 × 9
2 × 3 3 × 3
54 = 2 × 3 × 3 × 3 = 2 × 3³
2|54
3|27 → 54 = 2 × 3 × 3 × 3 = 2 × 3³
3|9
3
I'm not sure about ladder method... is it the same as upside down division.
Begin with a prime number that will divide into the number.
Answer:
$309.20
Step-by-step explanation:
multiply 35.20 by 4 and subtract it from 450
Either of two Angles whose sum is 180 degrees