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.
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Answer:
(-2,4)
The solution is the point at which the two lines intersect, (-2,4). That point is the only one that satisfies (works) in both equations:
y = x + 6
4 = -2 + 6
and
y = -0.5x + 3
4 = -0.5(-2) + 3
4 = 1 + 3
====
You can also solve it algebraically:
-0.5x + 3 = x + 6 [Use the value of y from the second equation in the first equation]
-1.5x = 3
x = -2
Use this is y = -2 + 6:
y = 4
7/12
12 sided die has 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12 as the sides.
Two digits are 10, 11, and 12.
Even numbers are 2, 4, 6, 8, 10, and 12.
So two digits or even numbers are 2, 4, 6, 8, 10, 11, and 12. (7 total numbers)
P(Two digits or even) = 7/12
