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If 3y + x > 2 and x + 2y≤3, What can be said about the value of y?
A. y = -1
B. y >-1
C. y
Read Solution (Total 11)
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- Option B.) y > -1 is the answer.
- 12 years agoHelpfull: Yes(39) No(9)
- As x+ 2y can be = 3
x = 3 - 2y
putting this into equation 1
3y + 3 - 2y > 2
y > -1 - 10 years agoHelpfull: Yes(19) No(1)
- please post the correct question.
- 12 years agoHelpfull: Yes(11) No(5)
- 3y+2x>2 now the 2nd one is x+2y=-3
now add the 2 relations
we get 3y+x-x-2y>-1=> y> -1
hence ans is y>-1 - 11 years agoHelpfull: Yes(4) No(4)
- 1 => 3y + x > 2
2 => 3 - x > 2y
1+2 => 3y + 3 > 2y +2
=> y >- 1 - 9 years agoHelpfull: Yes(1) No(0)
- Multiply the second equation with -1 then it will become - x - 2y ≥ - 3. Add the equations. You will get y > -1.
- 6 years agoHelpfull: Yes(1) No(0)
- SOLVE THIS QUESTION USING OPTION: ANSWER)Y=-1
FIRST SUBSTITUTE OPTION A) WHERE Y=-1 PUT THIS VALUE IN EQN-1 AND GET X THAN SUBSTITUTE VALUE OF X AND Y IN EQN -2 AND SEE WHETHER IT SATISFY IT OR NOT.
IN THIS QUESTION Y=-1 SATISFIES THE EQUATION NO:2 AS WELL AS 1 - 10 years agoHelpfull: Yes(0) No(0)
- y=1/5....
- 10 years agoHelpfull: Yes(0) No(0)
- y=1 is correct answer
since if we take y=1 and x=0 in equation 1 then value is 3 which is greater than 2. Similarly by putting second equation give value 2 which is less than 3 - 9 years agoHelpfull: Yes(0) No(0)
- As x+ 2y can be = 3
x = 3 - 2y
putting this into equation 1
3y + 3 - 2y > 2
y > -1
- 9 years agoHelpfull: Yes(0) No(0)
- 3y+2x>2 now the 2nd one is x+2y=-3
now add the 2 relations
we get 3y+x-x-2y>-1=> y> -1
hence ans is y>-1 - 8 years agoHelpfull: Yes(0) No(0)
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