Red beads = 1 - (4/9 + 1/5 + 1/4) = 1 - 161/180 = 19/180
Answer:
180
Step-by-step explanation:
An application of the nonlinear system of differential equations in mathematical biology/ecology: to model the predator-prey relationship of a simple eco-system. ... They form a simple food-chain where the predator species hunts the prey species, while the prey grazes vegetation.
Answer:
-1
Step-by-step explanation:
-100x = 100
-x = 100/100
-x = 1
x = -1
150 packages
30/1200 = x/6000
6000/1200 = 5
30 x 5 = 150
Answer:
$5
Step-by-step explanation:
25 = 4e + 5
20 = 4e
5 = e
reach eraser costs $5.