1.A pedestrian crosswalk consists of black and white strips each 0.4m wide. The crosswalk begins and ends with a white strip, an
d there are 8 white strips in all. How wide is the crosswalk?
1 answer:
Answer: 6m
Step-by-step explanation:
Given data:
Width of the strips on the cross walk = 0.4m
No of white strips on the cross walk = 8.
No of black strips = 7
Solution:
Since they are 8 whites, and the cross walks starts and ends with a white stripe.
This simply means they are 7 black stripes
Width of the cross walk
= 7 + 8 * 0.4m
= 15 + 0.4m
= 6m
Width of the cross walk is 6m.
You might be interested in
Differentiate:
-5×2(xe^x^2)y-5e^x^2dy/dx=1
-5e^x^2(2xy+y´)=1
When x=-5, y=0:
-5e²⁵y´=1, so y´(-5)=-eˉ²⁵/5
Answer:
25 m of cable per minute
Step-by-step explanation:
The unit rate is:
125 m of cable
---------------------- = 25 m of cable per minute
5 minutes
The area of the shaded sector is one-fourth of the area of the whole circle so:

area of shaded region

The area of the shaded region is 9pi units^2
Answer:
15 miles
Step-by-step explanation:
10x1.5=15