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can u please help me on sum work


#1:

the sum of two 2-digit integers is 33. the quotient of the the greater interger is -4. Both integers have repeated digits.
What is the greater integer?______________
What is the lesser integer?__________




#2
The sum of a negative integer and its square is equal to 20.
What is the integer?
____________________________








#3
Lila multiplied an integer by -5. the resulting product was 10 times as great as the sum of the integer and 12.
What was the integer?
_________________________________

2006-11-05 08:31:32 · 4 answers · asked by joe78521 2 in Science & Mathematics Mathematics

4 answers

#1
greater integer: 44
lesser integer: -11

#2
the integer is -5

#3
the integer is -8

2006-11-05 08:42:56 · answer #1 · answered by titanium007 4 · 0 0

#1:
x + y = 33
x / y = -4
x = 44
y = -11

#2:
-x + x^2 = 20
x^2 - x -20 = 0
(x+4) (x-5) = 0
x =-4 or x =5
negative integer is -5

#3:
-5x = 10y
y = x+12
-5x = 10 (x+12)
-5x = 10x +120
-15x = 120
3x = -24
x = -8

2006-11-05 08:39:22 · answer #2 · answered by C D 3 · 0 1

#2 is -5

#3 is -8

2006-11-05 08:43:42 · answer #3 · answered by Niki 2 · 0 0

1) -11 and 44
2) -5
3) 8

2006-11-05 08:41:28 · answer #4 · answered by      7 · 0 1

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