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21brooklynmartin
28.03.2020 •
Mathematics
What is the minimum possible value for y in the equation y = x^2 + 12x + 5?
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Ответ:
Step-by-step explanation:
hello :
y = x² + 12x + 5
y = ( x²+12x+36) -36+5
y= (x+6)²-31vertex form when the minimum possible value is : - 31
Ответ:
19.87 + 0.10(19.87) = 19.87 + 1.99 = 21.86
Edwin : 0.75(26.50) = 19.88
1.10(19.88) = 21.86
and if they each have $ 23, then yes, they both ave enough money to buy the book. They both were correct in their calculations. Because taking 25% off, is the same as paying 75%and taking the discount price and subtracting 10% from that, is the same as multiplying by 110%. So they basically worked the same problem, just in a little different way...and they both ended up with the same answer