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Here are your answers.
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Ans 22---> 1) 55,45
Ans 23---> 3) -1.4
Ans 24---> 2) 5
Ans 25---> 1) x^2 + (a+b)x + ab
Ans 26---> 4) -2
Ans 27---> 3) 5y + 3
Ans 28---> 1) 26,27
Answered by
1
Answer:
ıllıllı ıllıllı
Step-by-step explanation:
22. 55.45
23. 1.4
24. Let Salma's age be n years.
After 15 years, Salma will be (n + 15) years
Therefore:
n + 15 = 4n
Subtract n from each side of the equation.
n + 15 - n = 4n - n
Combine like terms:
n - n = 0
4n - n = 3n
Therefore:
15 = 3n or
3n = 15
Divide each side by 3
3n/3 = 15/3
n = 5
Therefore:
Salma is 5 years old now.
In 15 years Salma will be (5 + 15) = 20 years.
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5
25.
Samhitha1234:
wrong ans is 15
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