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Dafna1 [17]
3 years ago
11

After special medicine is introduced into a peril dish full of bacteria, the number of bacteria remaining in the dish decreases

rapidly. The relationship between the elapsed time t, in seconds, and the number of bacteria, N(t), in the Petri dish is modeled by the following function:
N(t)=50,000•(0.5) t/4.3

The Petri dish loses %50 of bacteria every ____ seconds

Mathematics
2 answers:
frutty [35]3 years ago
7 0

Answer: 4.3

Step-by-step explanation:

ruslelena [56]3 years ago
3 0

THIS IS THE CORRECT ANSWER

2log(16000)

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Rewrite the rational exponent as a radical by extending the properties of integer exponents.
Aloiza [94]

\bf ~~~~~~~~~~~~\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} \qquad \qquad \cfrac{1}{a^n}\implies a^{-n} \qquad \qquad  a^n\implies \cfrac{1}{a^{-n}} \\\\\\ \textit{also recall that }a^{\frac{ n}{ m}} \implies  \sqrt[ m]{a^ n}  \qquad \qquad \sqrt[ m]{a^ n}\implies a^{\frac{ n}{ m}} \\\\ -------------------------------


\bf \cfrac{11^{\frac{2}{5}}}{11^{\frac{1}{4}}}\implies 11^{\frac{2}{5}}\cdot 11^{-\frac{1}{4}}\implies 11^{\frac{2}{5}-\frac{1}{4}}\implies 11^{\frac{8-5}{20}}\implies 11^{\frac{3}{20}} \\\\\\ \sqrt[20]{11^3}\implies \sqrt[20]{1331}

5 0
3 years ago
Read 2 more answers
Please answer this correctly
Lubov Fominskaja [6]
The awnser to this is 2 and also 3
7 0
3 years ago
Are the fractions 1/5 , 5/5 , and 5/1 equivalent?Explain.
Debora [2.8K]
No, these equations are not equivalent. 

1/5, or one fifth, is part of a whole. Imagine you have a pie, cut into five pieces, and your friend comes over and eats four pieces, so now you have one of the five original pieces. That's what you have here. 

5/5, or five fifths, is a whole. any number divided by itself is automatically one, so it is like making another pie and cutting it into five pieces, only this time no one eats any of it because it's burned or something. At the end, you have five pieces of pie

5/1 is actually just another way of writing plain old 5. To keep the pie example rolling, you have five pies, and no one eats any of these either, so they are all yours. You have 5 pies divided between one person, so at the end of the day you have 5 whole pies. 

Hope that helped!
7 0
2 years ago
Read 2 more answers
Anyone know how to do this?
ASHA 777 [7]

Answer:       Y= 86              X=94

What I did is, the angle minus 86 to give me 94

   

4 0
3 years ago
What is (1/4 + 5/4) 2 + 3/4 (The two is an exponent)
larisa86 [58]

Answer:

51,958

Step-by-step explanation:

1x1x1x1= 1             5x5x5x5= 625          3x3x3x3=81

1+625= 626

81+2= 83

626x83

7 0
3 years ago
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