A man whose height is 2.1 m casts a shadow that is 3.2 m in length. What is the approximate height of a building that casts a sh
adow of 11.5 m?
a. 10.4 m
b. 9.6 m
c. 7.5 m
d. 17.5 m
a. 10.4 m
b. 9.6 m
c. 7.5 m
d. 17.5 m
1 answer:
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Answer:
-1/3
Step-by-step explanation:
at x=0 y= 5
at x=3 y= 4
y=ax+b
b= 5
4=3x+5
3x= -1
x= -1/3