8k+2k+7 that what I’m looking for

Combine the like terms!!! The answer is 10k + 7

Step-by-step explanation:

depending on the type of question it is either 10k+7 or k=-7/10

im sorry but no. i just need to answer for 50 poonts oof

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)