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Simora [160]
3 years ago
6

Express 3^2 = x as a logarithmic equation.

Mathematics
1 answer:
Sonja [21]3 years ago
8 0
Taking the log of both sides of the equation, you have
2\log(3)=\log(x)
Dividing by log(3), this looks like the change of base formula.
\log_a(b)=\dfrac{\log(b)}{\log(a)}

That is, division by log(3) gives
2=\dfrac{\log(x)}{\log(3)}\\\\2=log_3(x)

This apparently matches your first choice:
  log3(x) = 2
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Find the sum of 160,-125, and 40.
djyliett [7]

The answer is;

160 + (-125) + 40 = 75

<u>75</u>

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3 years ago
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Hey can you please help me posted picture of question
SpyIntel [72]
We are to find the Probability the someone buys a book that is paperback and fiction.

Let P(F) represents the event that the book is fiction and P(P) represents the event that the book is paperback. We are to find P(F∩P)

P(F∩P) = P(F) x P(P)

From the tree diagram we can see that:

P(F) = 0.45
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3 0
3 years ago
In the figure to the right, AE + DC = 1 1/5 cm, AB = 1 3/4 cm, DE = 1 1/4 cm, and BC = 1 3 /10 cm. Find the perimeter of the fig
pentagon [3]

Answer:

The perimeter of the figure = 9.5 cm

Step-by-step explanation:

<em>Note: You probably missed to add the figure, but after a little research I found and am attaching the figure. I have answered your question based on the reference of that figure. But, I hope you would learn the concept so that you could solve any question based on this concept. So, please check the figure.</em>

<em>Solution:</em>

The perimeter of the figure is the sum of all the sides of the given figure as shown in the attached figure.

So, here is the formula to calculate the perimeter.

                <em>Perimeter </em>=<em> AB + DE + BC + AE + BC  </em>

As AE + DC = 1 1/5 cm, AB = 1 3/4 cm, DE = 1 1/4 cm, and BC = 1 3/10 cm

Therefore,

<em>Perimeter</em> = 1 3/4  + 1 1/4  + 13/10 + 1 1/5           ∵ AE + BC = 1 1/5

                                   = (130  + 110  + 52 + 88) / 40

                                   = 380/40  

                                   = 9.5 cm

So, the perimeter of the figure is = 9.5 cm

Keywords:  perimeter

Learn more about perimeter of polygon from brainly.com/question/13393967

#learnwithBrainly

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3 years ago
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The answer is simplified to 15
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