Answer:The length of the missing side can be calculated by the following formula;
Step-by-step explanation:
Obviously, Ali is correct. Khamis did a mistake, he forgot the negative sign of - 5, when he divided b. He should have let - 5b and divided it by - 5 like ali did.
Good Luck
Answer:2(-k+3)
Step-by-step explanation:
simplify
-2k+5+1
-2k+6
both are divisible by 3
2(-k+3)
We can use quadratic formula to determine the roots of the given quadratic equation.
The quadratic formula is:
b = coefficient of x term = 5
a = coefficient of squared term = 1
c = constant term = 7
Using the values, we get:
So, the correct answer to this question are option E and F