The correct answer for this very hard equation would happen to be 12 because 18+12 happens to equal 30 and 42-30 just so happens to equal 12
21
is what I got on my calculator
Answer:
x= 4, -1
Step-by-step explanation:
-2x - 2 + x^2 + x + 180 - 2x - 2 = 180
add like terms and put in descending order
x^2 - 3x + 176 = 180
subtract 180 from both sides
x^2 - 3x - 4 = 0
factor out the equation
(x-4)(x+1)=0
solve for x
x-4=0 x+1=0
x=4 x=-1
-18 - 30 = -48
The Scuba Diver is now 48 feet below sea level.
Answer: 768 ounces
Step-by-step explanation: ounces of water 48 days 16 multiply 48 x 16 you get 768