Answer:
a. 7
Step-by-step explanation:
7x7=49
I’m not 100% sure but isn’t it x2 +xy +y2?
Answer:
the diameter is 28 centimeters and the area is 97.4 centimeters
Step-by-step explanation:
the diameter is just the radius plus the radius so its 28
and i just solved for the area and got 97.4
15.87% of the population does not meet the minimum standards.
We use z-scores to find this probability:
z=(X-μ)/σ = (85-100)/15 = -15/15 = -1
Using a z-table (http://www.-table.com) we see that the area to the left of, less than, this is 0.1587. This is 15.87%.
Answer:
60
Step-by-step explanation:
220*2 = 440
+ 220/2 = 550