Answer:
Completing the square.
Step-by-step explanation:
ax2 + bx + c has "x" in it twice, which is hard to solve.
But there is a way to rearrange it so that "x" only appears once. It is called Completing the Square
2/7. just add the -4 and 6 together and use the 7 as the denominator
Answer: 4/3
Step-by-step explanation:
you're finding the tangent of X which is at the top so you do opposite over adjacent
One would rewrite this as: 73/(12-7)
Answer:
8.64. Her work is correct
Step-by-step explanation:
Given the expression to divide 2.16 by 0.25
Dividing both expressions to a whole number by dividing them by 0.01 is true as shown;
2.16/0.25 = (2.16/0.01)÷(0.25/0.01)
(2.16/0.01)÷(0.25/0.01) = 216/25
216/25 = 8.64
Hence her value is 8.64 making her work correct