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grigory [225]
2 years ago
8

8. There are 5 low temperatures recorded in Alaska. The temperatures are -25 degrees, -12 degrees, -10 degrees,

Mathematics
1 answer:
tester [92]2 years ago
3 0

Answer:

45=9 94-

Step-by-step explanation:

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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

The value of x is 1.66

Learn more:

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

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Answer:

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Step-by-step explanation:

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Explainations are written in the pic above.

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3 years ago
Will took two tests and made an 83% and a 93%. What will he need to make on the next test to have a mean score of 90%
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Answer 6, as quick as you can please​
lisabon 2012 [21]

9514 1404 393

Answer:

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