1. Seorang peneliti mengamati perkembangan bakteri X. Pada awal pengamatan terdapat 2 bakteri X. Setiap hari bakteri membelah diri menjadi 2. Setiap 3 hari, 1/4 dari jumlah bakteri mati. Banyak bakteri setelah seminggu adalah …. a. 72
b. 96
c. 144
d. 192
e. 256

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the rate for one gallon of gasoline

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.