I think
A. convert the time to seconds, so all the time are 7070sec and the total course to meter.
so 31300meter
Vector = TotalCourse÷total time
V=31300/7070=4.427157m/s
convert it to km/h so 4.427157×36÷10=
15.9377km/h
B. 45÷15.9377=2.823Hour
it means that around 2 Hour 48Minutes more.
i think the teacher need to simplify it
Jacob used 1/7 of a liter
of water.
He needs to fill 1/9 of the fish aquarium.
Find how many liters would Jacob need to fill the aquarium
=> Let x = liters of water need to fill the aquarium
=> x/1 = 1/7 divided by 1/9
=> x = 1/7 x 9/1
=> x = 9/7, since this is an improper fraction, let’s convert it to
mixed fraction
=> x = 1 and 2/7
So, Jacob need 1 and 2/7 liter of water to fill the whole aquarium.
(-5/8, 27/20) is the answer.
Answer:
the answer is 12
Step-by-step explanation:
![\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{}{ h},\stackrel{}{ k})\qquad \qquad radius=\stackrel{}{ r} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ (x-9)^2+y^2=4\implies (x-\stackrel{h}{9})^2+(y-\stackrel{k}{0})^2=2^2~\hfill \stackrel{center}{(9,0)} \\\\\\ (x-\stackrel{h}{3})^2+(y-\stackrel{k}{2})^2=4\implies (x-\stackrel{h}{3})^2+(y-\stackrel{k}{2})^2=2^2~\hfill \stackrel{center}{(3,2)}](https://tex.z-dn.net/?f=%5Cbf%20%5Ctextit%7Bequation%20of%20a%20circle%7D%5C%5C%5C%5C%20%28x-%20h%29%5E2%2B%28y-%20k%29%5E2%3D%20r%5E2%20%5Cqquad%20center~~%28%5Cstackrel%7B%7D%7B%20h%7D%2C%5Cstackrel%7B%7D%7B%20k%7D%29%5Cqquad%20%5Cqquad%20radius%3D%5Cstackrel%7B%7D%7B%20r%7D%20%5C%5C%5C%5C%5B-0.35em%5D%20%5Crule%7B34em%7D%7B0.25pt%7D%5C%5C%5C%5C%20%28x-9%29%5E2%2By%5E2%3D4%5Cimplies%20%28x-%5Cstackrel%7Bh%7D%7B9%7D%29%5E2%2B%28y-%5Cstackrel%7Bk%7D%7B0%7D%29%5E2%3D2%5E2~%5Chfill%20%5Cstackrel%7Bcenter%7D%7B%289%2C0%29%7D%20%5C%5C%5C%5C%5C%5C%20%28x-%5Cstackrel%7Bh%7D%7B3%7D%29%5E2%2B%28y-%5Cstackrel%7Bk%7D%7B2%7D%29%5E2%3D4%5Cimplies%20%28x-%5Cstackrel%7Bh%7D%7B3%7D%29%5E2%2B%28y-%5Cstackrel%7Bk%7D%7B2%7D%29%5E2%3D2%5E2~%5Chfill%20%5Cstackrel%7Bcenter%7D%7B%283%2C2%29%7D)
Check the picture below.
well, its radius didn't change, anyhow, you know what to check out.
