Inverse variation
y=k/x
k=konstant
(x,y)
x=2
y=8
8=k/2
mult 2
16=k
(x,3)
3=16/x
mult both sides y x
3x=16
diivide 3
x=16/3
(16/3,3)
There are an infinite number of them.
-- Think of any number.
-- Multiply 4 by your number. Write it on top.
-- Multiply 5 by your number. Write it on the bottom.
-- You have a new fraction that's equivalent to 4/5 .
How many different numbers can you think of ?
That's how many new fractions you can create
that are ALL equivalent to 4/5 .
95 minutes
He is walking at a constant rate of 19minutes per mile.
If you then multiple 19 minutes time 5 miles you get 95minutes to walk 5miles
(5x^3-7)(2x^2+1 answerrrrrrrrrr