The temperature was in the range of 10-13 on 7 of the days.
Give it the weight of the middle of the range = 11.5 for 7 times = 80.5
The temperature was in the range of 14-17 on 9 of the days.
Give it the weight of the middle of the range = 15.5 for 9 times = 139.5
The temperature was in the range of 18-21 on 16 of the days.
Give it the weight of the middle of the range = 19.5 for 16 times = 312
The temperature was in the range of 22-25 on 22 of the days.
Give it the weight of the middle of the range = 23.5 for 22 times = 517
The temperature was in the range of 26-29 on 6 of the days.
Give it the weight of the middle of the range = 27.5 for 6 times = 165
Total weight for all ranges = (80.5 + 139.5 + 312 + 517 + 165) = 1,214
Total number of days = 60
Estimated mean temperature = (1,214) / (60) = <u>20.23°C </u>
Answer:
CE = 3.5
Step-by-step explanation:
<u>10 = 5</u>
25 = x
x = 12.5 perimeter of DCE
4+5+x=12.5
x = 3.5
Answer: 45% of 62 would be 27.9
Step-by-step explanation:
So the way I always figure these out is state the facts first. So we know 62 is equal to 100% in the equation. That means if we divided 62 by 10 then we would also divide 100% by 10%.
62 (divided by) 10 = 6.2
100% (divided by) 10% = 10%
Now we know what 10% percent of 62 is. We need to find 45%. Well divide 6.2 by 2 to get 5 % of 62. (That would be 3.1). Now that we know 10% of 62 and 5% of 62 we are all set.
6.2 x 4 = 24.8
24.8 = 40%
3.1 + 24.8 = 27.9
27.9 = 45% of 62
Answer:
Step-by-step explanation:
Given :
........................... equation 1
........................... equation 2
solving by substitution method , substitute into equation 1 , that is
substitute into equation 2 to find the value of y , that is
