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iragen [17]
3 years ago
15

Please help fast question in picture

Mathematics
1 answer:
Oksana_A [137]3 years ago
3 0

flis very important on the library bubble tang ina mo

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Find the sum of three consecutive odd integers where x is the greatest integer
myrzilka [38]
X + (x − 2) + (x − 4) = ? ;  In which
<span>
x + x </span>− 2 + x − 4 ; 

Combine the "like terms" ; 

  x + x + x = 3x ; 

  − 2 − 4  =  −6 ; 

So we have:  "3x  − 6" as the sum. ;
___________________________
The sum of three consecutive odd integers, in which "x" is the greatest integer;  is:  "3x − 6" .
_____________________________________________
Note:  The three consecutive odd integers, from least to greatest, are:

"(x − 4)" , "(x − 2)" , and "x" .

The sum is:  "(3x  − 6)<span>" .
</span>_____________________________________________
Note:  "(3x  − 6)" factors into:  " 3(x −2)" .

Note that:  " (x − 2) " is the second integer.
______________________________________________
So the sum total, which is:  "(3x  −  6)" ;  is 3 (three) times the value of the second integer; that is, "3 (x − 2)" .
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5 0
3 years ago
In a survey of 300 middle school students, 15% said they play sports after school. How many
blsea [12.9K]

Answer:

45

Step-by-step explanation:

15% of 100 = 15

15 x 3 = 45

5 0
3 years ago
WILL MARK BRAINLIST
hammer [34]

2x +y = 20~~....(i)\\\\6x -5y = -4~~....(ii)\\\\\\\text{Multiply equation (i) by 3:}\\\\6x +3y = 60~~...(iii)\\\\(iii)-(ii):\\\\6x+3y - 6x+5y = 60-(-4)\\\\\implies 8y = 60+4 = 64\\\\\implies y = \dfrac{64}8\\\\\implies y = 8\\\\\\\text{Substitute y =8 in equation (i):}\\\\2x+8 =20\\\\\implies 2x = 20-8 = 12\\\\\implies x = \dfrac{12}2 = 6\\\\\text{Hence (x,y) = (6, 8)}

4 0
2 years ago
Read 2 more answers
A store sells 12-packs of ballpoint pens for $1.09 each and composition books for $2.79 each. Cindy buys m packs of ballpoint pe
Usimov [2.4K]

Answer:

.95(1.09m+2.79n)=candys bill

Step-by-step explanation:

5% off is like having 95% of the full price so .95=95%

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B6a%7D%7B%20%20-%201%7D%20%20%5Ctimes%20%5Cfrac%7B7%7D%7B%20-%209a%20%7B%7D%5E%7B2
lesya692 [45]

Answer:

14/3a²

Step-by-step explanation:

-6a × 7/-9a³

(7 × 6a) / 9a³

42a / 9a³

14a / 3a³

14/3a²

4 0
3 years ago
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