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Stells [14]
3 years ago
12

No links No pdfs No wrong answer or I report

Mathematics
1 answer:
BaLLatris [955]3 years ago
3 0

Answer: 4, 4

Step-by-step explanation: this is on g.oo.g.le

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A sample of bacteria is decaying according to a half-life model. If the sample begins with 800 bacteria, and after 13 minutes th
nikklg [1K]

Answer:

56.42 minutes

Step-by-step explanation:

The initial sample= y0 = 800

After 13 minutes , amount = 320

Y= y0e-kt

320 = 800e-k(13)

320/800 = e-k13

0.4 = e-k13

In0.4 = -k13

-0.91629= -k13

0.07048= k

Y = 800e-0.07048t

Minutes when the bacterial present will be 15

15 = 800e-0.07048t

15/800= e-0.07048t

0.01875 = e-0.07048t

In 0.01875 = -0.07048t

-3.97656 = -0.07048t

-3.97656/-0.07048= t

56.42 = t

56.42 minutes

3 0
3 years ago
Help pls pls I really need help
Misha Larkins [42]
C is correct bc if you add 10 to x you get the value of y
5 0
3 years ago
Read 2 more answers
In our Solar system six of the eight planets have moons what percentage of the planets have moons
Vladimir79 [104]
75%
you just divide 6/8
7 0
3 years ago
you have 33 math and science problems for homework. you have 7 more math problems than science problems. how many problems do yo
Verdich [7]
You have 33 math problems and 26 science.
3 0
3 years ago
Read 2 more answers
7m -- 4 for m = 8<br> Evaluate the following algebraic expression
arsen [322]
I don’t understand the question
If you mean
7m-4
M=8, this is the solution
7(8)-4
56-4
=52
But if you mean
7m- - 4
As in - + - = +
Then this is your answer
7(8)+4
56+4
=60
7 0
3 years ago
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