The total area is the area of the rectangle minus the area of the triangle
Area of rectangle= 12x4=48
Area of triangle=0.5x9x4=18
Area of shaded region= 48-18
=30cm^2
It -2 because a negative times a positive is a negative
The correct answer is the number of bacteria increases by a factor of 5 each day. I've tooken a quiz on it
Answer:
2.5
Step-by-step explanation:
you can use pythag theorem and divide c by two:
-3^2+4^2=c^2
9+16= 25
c=5
however, 5/2=2.5