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Lana71 [14]
2 years ago
10

What is the domain of the set of ordered pairs {(−5,−4),(−4,4),(2,3),(4,5)}?

Mathematics
1 answer:
kvv77 [185]2 years ago
3 0

Answer:

{-5,-4,2,4}

Step-by-step explanation:

the domain is which x-values are included so use each of the x-values for each pair. Make sure if there are reapeats that you only write them once.

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Which equation should be used to find the volume of the figure?
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Answer:

Given that

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Savanna 's time is 19.8 seconds .

Here we have John time in mixed fraction and Savanna's time in decimal .

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16  --------    =     ---------------------------    =   -------------- =   - -----------

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Thus we got John time as 81 /5 seconds .

Converting Savanna's time in fraction , we get

 19 8

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  10  

We have two fractions with different denominator .

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We need to make the denominator same of both the fraction .

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Multiply John fraction by 2 in both numerator and denominator by 2 to make denominator 10 .

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Difference

198          162            36

-------  -     -------     =  ------- seconds  

10              10              10

Thus John is faster by  (36/10 ) seconds  =  3.6 seconds.

Step-by-step explanation:

Given that

                                                                 1

John can run 100 meters dash in 16    --------- seconds .

                                                                  5

Savanna 's time is 19.8 seconds .

Here we have John time in mixed fraction and Savanna's time in decimal .

Converting mixed fraction into improper .

     1                      16 * 5     +  1                 80 + 1                 81

16  --------    =     ---------------------------    =   -------------- =   - -----------

    5                           5                                  5                      5

Thus we got John time as 81 /5 seconds .

Converting Savanna's time in fraction , we get

 19 8

----------  seconds .

  10  

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One is having denominator 5 and another is having denominator 10 .

We need to make the denominator same of both the fraction .

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81 * 2               162

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5 *  2                   10

John is taking less time than Savanna . Thus John is faster .

Difference

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-------  -     -------     =  ------- seconds  

10              10              10

Thus John is faster by  (36/10 ) seconds  =  3.6 seconds.

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7 0
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