The quantities
xx
x
x
and
yy
y
y
are proportional.
xx
x
x
yy
y
y
1111
11
11
1291\dfrac{2}{9}
1
9

2


1, start fraction, 2, divided by, 9, end fraction
2121
21
21
2132\dfrac{1}{3}
2
3

1


2, start fraction, 1, divided by, 3, end fraction
4545
45
45
55
5
5
Find the constant of proportionality
(r)(r)
(r)
left parenthesis, r, right parenthesis
in the equation
y=rxy=rx
y=rx
y, equals, r, x
.

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?