Answer:
75%
Step-by-step explanation:
It's right
Step-by-step explanation:
The explanation and the graphical representation is attached
Answer:
(x + 5)^2 = (5 - 3)^2
Step-by-step explanation:
Given the equation;
x^2 + 10x + 22 = 13
We have;
x^2 + 10x = 13 - 22
x^2 + 10x = -9
Adding half of 10 to both sides and completing the square as usual, we have;
(x + 5)^2 = 5^2 + (-9)
(x + 5)^2 = (5 - 3)^2
Answer:
A
Step-by-step explanation:
Temperature decreased by 12°C : (-12°C)
Expression:
12 + (-12) = 12 - 12