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SCORPION-xisa [38]
2 years ago
8

Here's another pls help​

Mathematics
1 answer:
EastWind [94]2 years ago
6 0
2/9-x/5
10-9x/45
Is your answer
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The sum of all the ages of Dylan and Renee is 57 years . 9 yrs ago , Dylans age was 2 times Renee's age. How old is Dylan now?​
Ugo [173]

Answer:

Step-by-step explanation:

let present age of

Dylan=x

Renee=y

x+y=57

9 years ago

x-9=2(y-9)=2y-18

x=2y-18+9=2y-9

so  2y-9+y=57

3y=57+9=66

y=66/3=22

x+22=57

x=57-22=35

Dylan's present age=35 years

3 0
2 years ago
Expand and simplify (5x+2)(2x-3)
Snowcat [4.5K]

Answer:

10x^2 - 11x - 6

Step-by-step explanation:

(5x+2)(2x-3)

= 10x^2 - 15x + 4x - 6

= 10x^2 - 11x - 6

3 0
2 years ago
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If Violet Atkins is purchasing a car whose base price is $15,499 with no options and $589 destination charge, what is
denis23 [38]

Answer:

16088

Step-by-step explanation:

Add the base price and the destination charge

15499+589

16088

3 0
3 years ago
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Twice the sum of 15 and a number
pashok25 [27]
2(15+N)
 
replace a number by N 

replace the sum of 15 and N by (15+N)

and lastly, replace twice by 2 

So your answer is 2(15+N)


7 0
2 years ago
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5(x-4)+2x=14 help me find the answer x=?
Bond [772]
Exact Form:
x = 34/7

Decimal Form:
x= 4. 857142

Mixed Number Form:
x= 4 6/7
4 0
2 years ago
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