Answer:
4x-y+1=0
Step-by-step explanation:
here,given equation of a line id
4x-y-2=0.. eqn(i)
equation of any line parallel to line (i) is
4x-y+k=0...eqn(ii)
since, the line(ii) passes through (1,5)[replacing x=1 and y=5 in eqn(ii), we get]
4*1-5+k=0
or, 4-5+k=0
or,-1+k=0
•°•k=1
substituting the value of k=1 in eqn(ii),
4x-y+1=0 is the required equation of the line.

Step-by-step explanation:
Given

So

Hence,

Keywords: functions, Function composition
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Answer:
12.57
Step-by-step explanation:
Since this is a percentage, all you have to do is divide 21 from 80 and multiply that by 100
21/80 = .2625 * 100 is 26.25
The answer closest to this is 25%, so the answer is 25%
Hope this helped! :D
Answer:
All of the following proportions are equivalent except a/d=c/b.
a/b=c/d
b/a=d/c => a/b = c/d
a/d=c/b not equal to a/b = c/d
a/c=b/d => a/b = c/d
Step-by-step explanation: