Speed used by Emily from home to post office is:
speed=(distance)/(time)
distance=3/4 miles
time=8:29:30-8:25=4 min 30 sec=4.5 min
thus speed=(0.75)/4.5=1/6 mile/min
The remaining distance from Post office to school:
3.42-0.75=2.67 miles
time taken to reach to school assuming that Emily will move with the same speed is:
time=2.67/(1/6)=16.02 min=16 min 1.2 seconds
time Emily will reach school is:
8:29:30+0:16:1.2
=8:45:31 a.m
This means that she will reach on time
Answer:
x = 23°
Step-by-step explanation:
- The figure given below is an irregular polygon with 7 sides
- The polygon is therefore an irregular heptagon.
We are required to determine the value of x
- We know the sum interior angles of a polygon is given by;
- Sum of interior angles = (n-2) 180 , where n is the number of sides
Therefore, in this case;
Sum of interior angles = (7 - 2 ) 180
= 900°
Hence;
7x° + 2x° + 8x° + 60° + 10x° + 8x° + 35° = 900°
35x° + 95° = 900°
35x° = 805°
x = 23°
Thus, the value of x is 23°
