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Korvikt [17]
3 years ago
7

Find the inverse for each relation:

Mathematics
1 answer:
Neporo4naja [7]3 years ago
6 0

Answer:

  1. {(-2,1),(3,2),(3,3),(2,4)}
  2. {(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
4 0
3 years ago
Find the gain or loss per cent, if <br>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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3 years ago
Does anyone know <br> 2x=8y=7<br> 4x-2y=9
Fantom [35]
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=
5 0
3 years ago
Awnser to 4(5x + 1)-8=38 + 6x
Bess [88]

Answer:

x=3

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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
Xelga [282]

Answer :

15$  x   3  =  <em><u>45 </u></em>

Step-by-step explanation:

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

<em>Then you do the eqaution which is :</em>

<u>15$  x   3   </u>  

<em>And that give you your answer which is:</em>

<u>45</u>                              :)

4 0
3 years ago
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