Answer:
7.25
Step-by-step explanation:
Given :
___________ Sample size __ sample mean
Treatment 1 ____ 5 _______ 4
Treatment 2 ____ 10 ______ 8
Treatment 3 ____ 5 _______ 9
Sample size = (5 + 10 + 5). = 20
Overall mean = ((5*4). + (10*8) + (5*9)) / 20
Overall mean = (20 + 80 + 45) / 20
= 145 / 20
= 7.25
Answer:
75 degrees
Step-by-step explanation:
those two angles = 180
180-105 =75
Answer:
12 yds and 6 feet, aka 42 feet.
Step-by-step explanation:
You multiply everything by 3. Then you convert yards to feet, then add everything together.
I think that the answer you are looking for is 0.3
Area = 1/2 * base * height
= 1/2 * 20 * 6
= 1/2 * 120
= 60 ft^2
