Answer:
D = 98
Step-by-step explanation:
if you add up 59 + 39 you get 98 meaning D is 98
Answer:
The perimeter of room is
Step-by-step explanation:
We are given the following in the question:
The length and width of a room are measured with uncertainties.
There is uncertainty of 0.1 m in each measurement.
Length =
Width =
Formula:
The perimeter of room is given by:
The uncertainties are also added and multiplied.
Thus,the perimeter of room is
Step-by-step explanation:
let v is the speed of the wind,
the equation of the speed:
(550 + v ) × 5 = (550 - v) × 6
2750 +5v = 3300 - 6v
11v = 3300 - 2750
11v = 550
v = 550/11
v = 50
therefore, the speed of the wind =
50 mph
Answer:
11/23
Step-by-step explanation: