Find the length od ypx. leave your answer in terms of pi

your answer is

b = 15 pi

length of ypx = circumfrance of circle - 1/4 of circumfrance of circle

= 2pi r - 2pi r/4 = 6 pi r / 4 = 3 pi r / 2

= 3 pi × 10/2 = 15 pi

b. 15π m  

Step-by-step explanation:

The formula for the arc length (s) of a circle is  

s = rθ

Data:

r = 10 m

Calculations:

The smaller angle is π/2.

The angle θ subtending XPY is 2π - π/2 = (3π)/2.

s = rθ = 10 × (3π)/2 = 15π m

The length of XPY is 15π m.

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: