Answer:
10 20 30 40 50 60 70 80 90x years of marriage
Answer: I believe the answer is A. That is is an rational number because 3/4+1/2=5/4 aka 1 and 1/4 which is rational because it terminates.
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
2x² - 28x + 98 = 0
x² - 14x + 49 = 0
(x - 7)² = 0
x = 7
All identities are equations, but ONLY SOME equations are identities.
sinx = cos(π/2 - x) (Equation and Identity
y= cosx -x², it's an equation but NOT an identity
area = width * length
or
A = W * L
55 = W * (W+6)
solve for width:
0 = W^2 + 6W - 55
this is a quadratic and has two solutions -11 and 5
a length can only be non-negative so discard -11.
width W = 5 miles
now the length is 5+6 = 11 miles
