There is sales tax of $9.00 on an item t that cost 120.00 before tax. the sales tax on a different item is 19.05. how much does the second item cost before tax

triangle abc is reflected on the line x=-6.5 then reflected again on the x axis

step-by-step explanation:

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)