Answer:
where is the graph?
Step-by-step explanation:
I can't see the graph so I can't answer!
Your answer would be b i'm pretty sure
Answer:
x*(x+2)= 63 7 and 9
Step-by-step explanation:
Let's assume
height of plane in feet =h
time in minutes =t
we are given
A plane is descending into the airport. After 5 minutes it is at a height of 6500 feet
so, we get one point as (5,6500)
After 7 minutes it is at a height of 5900 feet
so, we get another point as (7,5900)
we can use point slope form of line

points as
(5,6500)
x1=5, y1=6500
(7,5900)
x2=7 , y2=5900
Calculation of slope(m):

now, we can plug values


Equation of line:
we can use formula

we can plug values


Time of landing:
we can set h=0
and then we can solve for t

..............Answer
Hello!
Since we are rounding until tenths, the answer would be 3879.
Since a tenth is the first decimal of a number, we just round it and get that.
Hope this helped! c: