Please help I promise it is easy

algebra 1

y=1/x-1/5

Step-by-step explanation:

tell me if u have more questions

y=-x+5

is the line so to make it perpendicular

y=1/x-1/5 i gtg

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

answer: none of these answers are correct only the second half is

step-by-step explanation: