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faizanaj1192
25.11.2019 •
Mathematics
Which hill described in the table is the steepest and why?
street. horizontal distance vertical
(ft). rise of
street (ft)
dixie hill. 100. 60
bell hill. 100. 50
liberty hill 100. 20
a. dixie hill; it rises 5 feet for every 3 feet of horizontal travel.
b. dixie hill; rises 3/5 foot for every 1 foot for every 1 foot of horizontal travel.
c. bell hill; it rises 2 feet for every 1 foot of horizontal travel.
d. liberty hill; it rises 1 foot for every 5 feet of horizontal travel.
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Ответ:
Option: B
Dixie hill; rises 3/5 foot for every 1 foot for every 1 foot of horizontal travel.
Step-by-step explanation:
A slope with a greater absolute value indicates a steeper line.
so, we will find the slope of each of the hill to check the steepness of the road.
1)
Dixie Hill
Street Horizontal distance vertical Distance
Dixie hill 100 60
The slope of the hill is:
Vertical distance/ Horizontal ditance
= 6/10=3/5
2)
Street Horizontal distance vertical Distance
Bell hill 100 50
slope=1/2
3)
Street Horizontal distance vertical Distance
Liberty hill 100 20
slope=1/5
As slope of Dixie Hill is greater than the rest two.
Hence, option: B is correct.
B. Dixie hill; rises 3/5 foot for every 1 foot for every 1 foot of horizontal travel.
Ответ:
B) 3c = s , s/2 = e , 4c - 2 = k
C) 5e + 7b = total money made
D) 75 + 50h = total cost
E) 160 = 40j
F) 35v - (35x3) = money each month
Variables I used are based on the first letter (or given variable) of the name.