The price of gold is often reported per ounce. at the end of 2005, this price was $513. at the end of 2015, it was $1060. by what percentage did the price per ounce of gold increase?

106.63%.

Step-by-step explanation:  

We have been given that at the end of 2005, this price was $513. At the end of 2015, it was $1060.

To find the percentage of the price per ounce of gold increase we will use % increase formula.

Let us substitute our given values in above formula.

Therefore, the price of per ounce of gold increased by 106.63%.

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

d 25 pi/6

step-by-step explanation:

the diameter is 10 inches

the radius is 1/2 of the diameter or 5 inches

the area of the circle is

a = pi r^2

  = pi 5^2

  = 25 pi

the slice is 60 degrees of the entire circle.

60 degrees out of 360   60/360 = 1/6

the area of the slice is 1/6 of the circle

a slice = 1/6 a circle

a slice = 1/6 * 25 pi