You can round 396 to 400 and 71 to 70. then you just multiply them and get 28,000. :))
6x^2 - 8 = 4x^2 + 7x
6x^2 - 4x^2 - 7x - 8 = 0
2x^2 - 7x - 8 = 0
discriminant = b^2 - 4ac; where a = 2, b = -7 and c = -8
d = (-7)^2 - 4(2)(-8)
d = 49 + 64
d = 113
the discriminant is greater than zero, so there are two real roots
:) Brainliest?
Answer:
x = sqrt 2, y = 2
Step-by-step explanation:
45-45-90 triangles have a ratio of 1 : 1 : sqrt2
Answer:
the counting numbers and zero are whole numbers.
the counting numbers and their opposites, along with zero, are integers.
integers and decimal equivalents of fractions are rational numbers.
-0.31622... yeah i think it is that