X^2 - 5x = 12
x^2 - 5x + 6.25 = 12 + 6.25
(x - 2.5)^2 = 18.25
x - 2.5 = (+-) sqrt 18.25
x = 2.5 (+ - ) 4.27
x = 2.5 + 4.27 = 6.77 <==
x = 2.5 - 4.27 = -1.77 <==
Answer:
A
Step-by-step explanation:
it's A because it is the only option with an inequality symbol
the inequality symbols are: < > ≤ ≥
670,130,000 Km or 416,399,477 Miles apart
Answer: 9x^2-2x-1
Step-by-step explanation: hope this helps!
Answer:
C,A,B,D
Step-by-step explanation:
