Find the inverse for each relation:

Mathematics

1 answer:

Neporo4naja [7]3 years ago

6 0

Answer:

{(-2,1),(3,2),(3,3),(2,4)}
{(2,4),(1,5),(0,6),(-1,7)}

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What percent of 90 is 50

andre [41]

To re-phrase this: 50 is a certain percent of 90.

this can be written mathematically as 50=x%*90

let's divide both sides by 10:

5=x%*9

and divide both sides by 9:

$\frac{5}{9} =x%$

which in decimals is approximately 0.56 (but not exactly).

so 0.56=x%

and the x then 56

so 50 is approximately 56% of 90:

exactly 56%of 90 is 50.4

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Find the gain or loss per cent, if C.P. = 200 and S.P. = 224

motikmotik

Ah sana masgot nyu toh natatae na ako saglit lang 3583 is answer kaso nag huhugas pa ako ng plato saglit

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Assuming you mean 2x-8y=7, we can start by multiplying the first equation by -2 and adding it to the second (to cross out the x), resulting in -18y=-5. After that, we can divide both sides by -18, resulting in y=5/18. Next, plugging that into 4x-2y=9, we have 4x-10/18=9. Adding 10/18 to both sides, we get 4x=9+10/18. After that, we can divide both sides by 4, resulting in x=(9+10/18)/4=

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Awnser to 4(5x + 1)-8=38 + 6x

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Answer:

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Step-by-step explanation:

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Kayla get paid $15 to rake the lawn. Kayla get paid 3 times as much to rake the lawn as she does to mow the lawn. How much does

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Answer :

15$ x 3 = 45 

Step-by-step explanation:

You just have to multiply the amount that kayla gets payed (15$) to the number of times that she mows the lawn ( 3 times ).

Then you do the eqaution which is :

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And that give you your answer which is:

45 :)

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