=9 * 1000 / 3600
=9000 / 3600
=2.5m/s
I hope this helps you
Answer:
a
Step-by-step explanation:
i think its a
Perpendiclar means has slope that multiplies to -1
y-y1=m(x-x1)
m=slope
y-4=(5/2)(x+3)
slop eis 5/2
5/2 times -2/5=-1
y=mx+b
m=slope
other line is
y=(-2/5)x+b
find b
(-7,8)
(x,y)
8=(-2/5)(-7)+b
8=14/5+b
minus 14/5 from both sides (8=40/5)
26/5=b
the equation is
y=(-2/5)x+26/5
Answer:
About 106.76 if you use 3.14 as pi
Step-by-step explanation:
c=2πr
So 2x3.14(pi)=6.28
6.28x17=106.76
Answer:
The percent decrease is 20%
Step-by-step explanation: