Answer:
The standard deviation is above 6 mm, which means that this batch does not pass the technical control.
Step-by-step explanation:
Mean of the batch:
The mean of the batch is the sum of all values divided by the number of items. So
Mean in the desired interval.
Standard deviation:
Square root of the sum of the difference squared between each term and the mean, divided by the number of itens. So
The standard deviation is above 6 mm, which means that this batch does not pass the technical control.
20:12
divide both numbers by 2
10:6
divide by 2 again
5:3
multiply this by 3
15:9
choices 1 and 2 are correct
The answer should be D because all the side remain the same as they increase. each side is increased by times 2.
Perimeter of a polygon is equal to sum of all sides of the polygon
Sides of the polygons are 11 ft, 7 ft, 18 ft, 22 ft, 14 ft and 23.5 ft
Sum of all sides of the polygon is given by = 11 ft + 7 ft + 18 ft + 22 ft + 14 ft + 23.5 ft
= 95.5 ft
Perimeter of a polygon = 95.5 ft
Hope this helps..!!
Thank you :)
Answer:
1.028
Step-by-step explanation:
The original amount is 100%
Add 2.8% to 100% = 102.8%
Now divide by 100 to find the decimal multiplier
102.8 ÷ 100 = 1.028
hope this helps :)
