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07.02.2021 •
Mathematics
IL CASHAPP YOU 25 DOLLARS HELP ME PLEASE
The amount of bacteria doubles every hour. The model B(t) =700×2t represents the growth t for every hour.
Answer the following questions based on the above information:
In blank 1: What does B(5) mean?
In blank 2: What does B(t) = 11200 mean?
In blank 3: How many hours does it take to get to the population of 5,600?
In blank 4: What does B(2) = 2,800 mean?
Question 3 options:
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Ответ:
z = - 0.78
Step-by-step explanation:
Given:
1/3(6z+7.2)=0.5(8z+2)-0.4
Open parenthesis
2z + 2.4 = (4z + 1) - 0.4
2z + 2.4 = - 1.6z - 0.4
Collect like terms
2z + 1.6z = - 0.4 - 2.4
3.6z = -2.8
z = -2.8 / 3.6
= - 0.78