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UkoKoshka [18]
3 years ago
9

Enter the fraction as a sum of unit fractions.3/18=18/blank+18/blank+18/blank help pls

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
5 0

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wtjfavyw

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A dealer bought an article for $7 sold it for $8 bought it back for $9 and then sold it for $10 how much profit did he make
Anit [1.1K]
To the total amount of money that a dealer spent is $7 + $9 or %16. His revenue from selling the same articles is $8 + $10 which is equal to $18. The profit is the difference between the total revenue and total cost. 
                              profit = $18 - $16 = $2
Thus, the dealer has a profit of $2. 
5 0
3 years ago
PLS HELP ME ASAP ON 4 and 5 PLS! THANK YOU SOO MUCH!!
kotykmax [81]
4)row 1. 20 15 10 row 2. 6

8 0
3 years ago
Samuel surveys 15 students at his school and asks them: "How many candies per day do you usually eat?"
shepuryov [24]

Answer:

Minimum number of candies:

0

Maximum number of candies:

13

Range:

13

Median number of candies:

4

Interquartile range:

5

Step-by-step explanation: There u go

6 0
3 years ago
chegg evaluate the following integral using trigonometric substitution. dx/square root(x^2-81), x > 9
vesna_86 [32]

Integration will be ln | ( x /9 ) + ( \sqrt{(x/9)^{2} - 1 } ) | + c  .

Given  ∫ 1 dx / ( x^{2} - 81 )

Put ,

x = 9 secθ

dx = 9 secθ tanθ dθ

and

\sqrt{x^{2}  - 9^{2} } = 9 tanθ

Substituting values in  ∫ 1 dx / ( x^{2} - 81 ) ,

∫ (9 secθ tanθ ) dθ / ( 9 tanθ )

∫ secθ dθ = ln | secθ + tanθ | + c

                = ln | ( x /9 ) + ( \sqrt{x^{2}  - 9^{2} } / 9 ) | + c

              = ln | ( x /9 ) + ( \sqrt{(x/9)^{2} - 1 } ) | + c

Hence , the integration will be ln | ( x /9 ) + ( \sqrt{(x/9)^{2} - 1 } ) | + c .

To learn more on integration follow link :

brainly.com/question/20156869

#SPJ4

6 0
2 years ago
What is the point of comparing prices?
kherson [118]

Answer:

To know which is better to pay.

Step-by-step explanation:

Good Luck

6 0
3 years ago
Read 2 more answers
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