The rounded number is 140000
a perfect square trinomial, (x + y)² = x² + 2xy + y²
so, if we have the x of the bx, what is left is the b
the expression would have to be (x + 7)², since we have the 49 and the x²
so, what's left: x² + 14x + 49,
b = 14
<em>hope it helps :)</em>
Answer:
9:5
Step-by-step explanation:
I think it's 9:5 sorry if I'm wrong.
B corresponds to the graph.
Answer: 510
Step-by-step explanation:
