Answer:
x = 704/39 ( <----Fraction)
Step-by-step explanation:
28 squared minus 39x minus 80 equals 0
784-39x-80=0 evaluate the power
704-39x=0 Subtract the numbers
-39x=-704 move the constant to the right hand side and change it's sign
Divide on both side to get x = 704/39
Answer: 48 minutes
I just took the test and got it right.
Answer:
a
Step-by-step explanation:
Answer:
х – 9 = +9
Step-by-step explanation: