3 years ago

If a person walks 3miles in 45min what fraction can you write to calculate theis speed

Mathematics

1 answer:

scoundrel [369]3 years ago

4 0

45 divided by 3 will give you 15 mins per mile

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Plz help mee with thisss

timurjin [86]

Answer:

495

Step-by-step explanation:

60x10=600

600-105=495

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3 years ago

A survey was conducted of 450 high school students asking which class they prefer, math or

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Step-by-step explanation:

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Step-by-step explanation:

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The sum of a number and two is equal to eight

Virty [35]

Answer:

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Step-by-step explanation:

5 0

3 years ago

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

#LearnwithBrainly

6 0

3 years ago