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Serggg [28]
2 years ago
9

How to slove any logarithm equation​

Mathematics
1 answer:
mrs_skeptik [129]2 years ago
8 0

Answer:

1) Look at the equation. When looking at the problem equation, identify the base (b), exponent (y), and exponential expression (x).

Example: 5 = log4(1024)

b = 4

y = 5

x = 1024

2) Move the exponential expression to one side of the equation. Set the value of your exponential expression, x, to one side of the equal sign.

Example: 1024 = ?

3) Apply the exponent to the base. The value of your base, b, needs to be multiplied by itself by the amount of times indicated by your exponent, y.

Example: 4 * 4 * 4 * 4 * 4 = ?

This could also be written as: 45

4) Rewrite your final answer. You should be able to rewrite the logarithm as an exponential expression now. Verify that your answer is correct by making sure that both sides of the equation are equal.

Example: 45 = 1024

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A new television set was recently purchased for the common room in a residence hall for $436.80 including tax the tax rate is 4%
garri49 [273]

Answer:

The price of the television before taxes is $420

Step-by-step explanation:

* Lets explain how to solve the problem

- The purchased price = cost price +  taxes

- A new television set was recently purchased for the common room

 in a residence hall for $436.80

- This price including tax

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- We need to find the price of the television before taxes

* <em>Lets solve the problem</em>

- Assume that the price of the television before tax is 100%

∵ The tax rate is 4%

∵ The price after tax = price before tax + tax

∵ The price before tax = 100%

∴ The price after tax  = 100% + 4% = 104%

∵ 104% equivalent to $436.80

∴ 100   ⇒   ?

  104   ⇒   436.80

- <em>By using cross multiplication</em>

∴ ? = \frac{(436.80)(100)}{104}=420

∴ The price of the television before taxes is $420

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Step-by-step explanation:

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Will mark Brainlest Help please<br>If a:b =4:5 then find the duplicate value of a:b<br>​
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A book is 9 inches wide and 13.5 inches tall.<br><br> What will the area of the front of the book?
Nina [5.8K]

Answer:

121.5

Step-by-step explanation: so what u are supost to do is multiply the sides which will give you your answer of 121.5.

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