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3 years ago

Please show me step by step on how to solve this.

Mathematics

1 answer:

Readme [11.4K]3 years ago

7 0

Well, you have to be given an interval. That is not an interval.

You should be given something like $1 \leq x \leq 2$

If you add those fractions up you'll just get a point on the number line.

Find the LCD for all of them which is 9/6 - 4/6 + 3/6 = 8/6 = 2/3

You'll end up with a point on 2/3

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$|T- 98.6| \geq 3$

And in order to solve this we have two possibilities:

Solution 1

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And solving for T we got:

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Solution 2

And the other options would be:

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Step-by-step explanation:

For this case we can define the variable os interest T as the real temperature and we know that if we are 3 F more than the value of 98.6 we will be unhealthy so we can set up the following equation:

$|T- 98.6| \geq 3$

And in order to solve this we have two possibilities:

Solution 1

$T -98.6 \leq -3$

And solving for T we got:

$T \leq 98.6- 3$

$T\leq 95.6$

Solution 2

And the other options would be:

$T -98.6 \geq 3$

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