Find the solution of the following simultaneous inequalities: x - 7 –1

x-8

Step-by-step explanation:

You add the -7 and -1 and then put the x in front of your answer.

x-8

Step-by-step explanation:

x-7-1

-7-1=-8

x-8

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)

-4

step-by-step explanation: