3 years ago

Iit is the attachment.

Mathematics

1 answer:

anastassius [24]3 years ago

6 0

Answer:

1. it is 9 out of 30

2. 3 buckets

Step-by-step explanation:

6/2 = 3

6+3+9

9/30

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Solve 4^x+2 = 12 for x using the change of base formula log base b of y equals log y over log b.

valentinak56 [21]

The value of x is 1.66

Step-by-step explanation:

Let use revise the rules of exponential and logarithmic equations

1. If y = $b^{x}$ , then $log_{b}(y)=x$

2. $log_{b}(y) = \frac{log(y)}{log(b)}$

Use the rules above to solve the problem

∵ $4^{x}+2=12$

- Subtract 2 from both sides

∴ $4^{x}=10$

change the exponential equation to logarithmic equation

∴ $log_{4}(10)=x$

∵ $log_{4}(10) = \frac{log(10)}{log(4)}$

∴ x = $\frac{log(10)}{log(4)}$

∴ x = 1.66

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Learn more:

You can learn more about logarithmic function in brainly.com/question/10633485

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