Imagine a 'U' shape
sides are x legnth
base is b legnth
2x+b=25
area is height times base=xb
xb=50
2x+b=25
solve
minus 2x both sides
b=25-2x
sub for b
x(25-2x)=50
25x-2x^2=50
times -1 both sides
2x^2-25x=-50
add 50 both sides
2x^2-25x+50=0
use quadratic formula or something
x=2.5 or 10
A is the answer
Answer:
C
Step-by-step explanation:
Add all of them =18 and there is 4 blue ones
4/18
Answer:
Option D. 8
Step-by-step explanation:
we have

Remember that

substitute

Remove the discontinuity at x=4
Simplify

so
Find the value of f(4)
For x=4

The 20 ounce bottle because you get more for .90 cents more