Answer:
Step-by-step explanation:
The Egyptians calculated the area of a circle by a formula that gave the approximate value of 3.1605 for π. The first calculation of π was done by Archimedes of Syracuse (287–212 BC), one of the greatest mathematicians of the ancient world.
Answer:
(1) 4 (2) -2
Step-by-step explanation:
Answer:
this question
Step-by-step explanation:
Answer:
70 percent
Step-by-step explanation:
Find how many acres were not planted with alfalfa by subtracting 27 from 90:
90 - 27
= 63
Find what percent this is by dividing it by 90:
63/90
= 0.7
So, 70 percent of the acres weren't planted with alfalfa.
Answer:
x=7 y=10 is the pair for the fourth line hope this helps
Step-by-step explanation:
the x side is adding by 15 and the y side is decreasing by 10 for every pair
