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Lera25 [3.4K]
3 years ago
9

Eva works as a salesperson at an electronics store and sells phones and phone accessories. Eva earns a $8 commission for every p

hone she sells and a $3.50 commission for every accessory she sells. How much money would Eva make in commission if she sells 19 phones and 30 accessories? How much money would Eva make in commission if she sells pp phones and aa accessories?
Mathematics
1 answer:
adoni [48]3 years ago
6 0

Answer:

Hope this helps out dude!

Step-by-step explanation:

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Answer:

Answer of 17 is ㏒(x^{2}+15x), Answer of 33 is x = 8 , Answer of 35 is x = ㏒10/㏒2 , Answer of 37 is  x = -㏒12/㏒8 and Answer of 39 is x = 5

Step-by-step explanation:

17. ㏒x + ㏒(x+15)

     Using property ㏒a + ㏒b = ㏒a×b

     ∴ ㏒x + ㏒(x+15)

        ㏒x×(x+15)

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      Using property 2^a = 2^b

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     ∴x-5 = 3

       x = 8

      The answer is x = 8

35. 2^x = 10

    Taking log on both sides gives

     ㏒2^x = ㏒10

     x×㏒2 = ㏒10

     x = ㏒10/㏒2

    The answer is x = ㏒10/㏒2

37. 8^-x = 12

    Taking log on both sides gives

     ㏒8^-x = ㏒12

     -x×㏒8 = ㏒12

      x = -㏒12/㏒8

    The answer is  x = -㏒12/㏒8

39. 5(2^3 × x) = 8

      5(8×x) = 8

      x = 5

    The answer is x=5

 

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