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Illusion [34]
2 years ago
15

Which logarithmic equation is equivalent to 3^c=257

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
5 0

Answer: log_3(257) = c

Step-by-step explanation:

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A culture started with 4,000 bacteria. After 5 hours, it grew to 4,800 bacteria. Predict how many bacteria will be present after
eimsori [14]
First we need to find k ( rate of growth)
The formula is
A=p e^kt
A future bacteria 4800
P current bacteria 4000
E constant
K rate of growth?
T time 5 hours
Plug in the formula
4800=4000 e^5k
Solve for k
4800/4000=e^5k
Take the log for both sides
Log (4800/4000)=5k×log (e)
5k=log (4800/4000)÷log (e)
K=(log(4,800÷4,000)÷log(e))÷5
k=0.03646

Now use the formula again to find how bacteria will be present after 15 Hours
A=p e^kt
A ?
P 4000
K 0.03646
E constant
T 15 hours
Plug in the formula
A=4,000×e^(0.03646×15)
A=6,911.55 round your answer to get 6912 bacteria will be present after 15 Hours

Hope it helps!
4 0
3 years ago
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The Multiplicative Property of Equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd.
laiz [17]

Answer:

True

Step-by-step explanation:

8 0
3 years ago
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What does 25000(1-0.8)^8 equal
Akimi4 [234]

Answer:

0.064

Step-by-step explanation:

  25000(1-0.8)^8

= 25000(0.2)^8

= 0.064

7 0
3 years ago
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Combine the like to simplify the expression: -5y + 12 + 8y − 6 − 2 =
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First, let's move combine like terms:

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3y = -4.

y = -4/3

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3 years ago
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How does the function f(x) = a ln x compare to the parent function when |a| > 1?
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Answer: The graph is stretched.

Step-by-step explanation:

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3 years ago
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