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Liula [17]
2 years ago
10

Which logarithmic equation is equivalent to 2^5=32

Mathematics
1 answer:
stepan [7]2 years ago
3 0

Answer: 5=log_{2}(32)5=log

2

(32)

Step-by-step explanation:

1. By definition, you have if y=b^{x}y=b

x

, then x=log_{b}(y)x=log

b

(y)

2. Keeping this on mind, you must follow the proccedure shown below:

- You have that:

2^{5}=322

5

=32

Where:

\begin{lgathered}x=5\\y=32\\b=2\end{lgathered}

x=5

y=32

b=2

- Substitute values into x=log_{b}(y)x=log

b

(y) . Then, you obtain:

5=log_{2}(32)5=log

2

(32<em><u>)</u></em>

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Expand the following 3(x+9)
mina [271]

Answer: I'm pretty sure its 3x+27

Step-by-step explanation: So all you have to do is multiply everything in the parentheses by 3. So you would do 3 times x and it would be 3x and then 3 times 9 which will get you 27. After you just put it back into a equation 3x+27

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2 years ago
52 + 3x = 5(−x + 9) − 49<br> solve for x
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Answer:

x = -7

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52 + 3x = -5x + 45 - 49

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x = -7

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Carrie wished to build a rectangular dog run along theside of her garage. The garage will serve as one side of the fence. If she
Nat2105 [25]

Given:

Carrie has 180 ft of the fencing and wishes the fence to be 4times as long as it is wide.

To Find:

The area in square feet that the fencing encloses.

Answer:

The fence encloses 3600 sq ft.

Step-by-step explanation:

Let x denote the length of the dog run and y denote the width of the dog run.

Given that the garage wall serves as one side of the dog run, we are left with 3 other sides to instal the fence.

Carrie has 180ft of fencing with her, so the sum of the lengths of the 3 sides has to be equal to 180. We can represent this in the form of an equation as

x+y+y=180\\\\x+2y=180\\\\x=180-2y

We are also given that Carrie wishes the fence to be 4 times as long as it is wide.

So,

x=4y

Replacing this value into the first equation, we have

4y=180-2y\\\\&#10;6y=180\\\\&#10;y=30

Therefore,

x=(4)(30)=120

Thus, the length of the dog run is 120ft and the width is 30ft.

The area enclosed will be equal to the length multiplied with the width. So,

(120)(30)=3600

The fence encloses 3600 sq ft.


4 0
3 years ago
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