Solve for x over the real numbers:
-x^2 - 12 = -87
Add 12 to both sides:
-x^2 = -75
Multiply both sides by -1:
x^2 = 75
Take the square root of both sides:
Answer: x = 5 sqrt(3) or x = -5 sqrt(3) both Answers are correct
Your answer would be 4.23 as the answer will be a long one, estimated.
I would advise you to use the website desmos
-m-4=-13
-m=-13+4=-9
m=9
☺☺☺☺
Answer:
$13.30
Step-by-step explanation:
The discount itself would be $6.65 because 1/3 time $19.95 equals $6.65
then to find the total price after discount you subtract,
$19.95 minus $6.65
final answer is $13.30
