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vova2212 [387]
3 years ago
15

When simplified, 4x/7y + 3x/5y is written as?​

Mathematics
1 answer:
Yanka [14]3 years ago
8 0

Answer:

41x/35y

Step-by-step explanation:

combine like terms

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7. A shopkeeper buys 300 identical articles a tota
sashaice [31]

Step-by-step explanation and answers:

300 articles at a total cost of $1500:

        $1500 / 300 = $5 / article

Sells 260 articles at a price 20% above this ^ price:

         20% of $5 is $1,   so $5 + $1 = $6

               Then he sells 260 articles at the price of ^ $6

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Each of the remaining articles is sold at a price that's 50% of the 260 he sold.

         He sold those for $6,  so he would now sell the last 40 for $3

               From the remaining 40 articles, he makes 40 * $3, or $120

The shopkeeper made $1560 + $120 = $1680,  which is $180 more than he bought them for ($1500)

Therefore, he made a profit percentage of $180 / $1500,  (the amount of profit over the amount spent).

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3 0
3 years ago
Plz answer my question
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Answer:

2a^4 / b^5

Step-by-step explanation:

(2a^2 / b)  x ( a / b^2) ^2

= (2a^2 / b) x (a^2 / b^4)

= 2a^4 / b^5

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A20-a18=a1+19d-a1-17d=2d =281-97 so d=92
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3 years ago
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