A = 1/2 *2 * h (b1+b2)
a*2 = h (b1+b2) /h
a*2/ h = b1+b2-b1
a*2-b1/ h =b2
Answer:
Number of algae in 7 days = 70.355
Step-by-step explanation:
Given:
Algae in beginning = 50
Rate of increasing = 5% per day = 0.05
Number of days = 7 days
Find:
Number of algae in 7 days.
Computation:

Number of algae in 7 days = 70.355
Answer: A.56 sq. units
Step-by-step explanation:
A=( a+b)h/2
(12+16)4/2
(28)2
56
A=56
Answer:
The lines would be parallel.
Step-by-step explanation:
lines with the same slope are parallel.
This is an altitude. Shown by the right angle on the side opposite the point.