Answer:
490,000
Step-by-step explanation:
since 9 is the number we are rounding we look at the next number to the right and either we round up or down depending upon that number. since it is a 3 we round down but if it was a 5 or higher that number would be 500,000
Answer: 490,000 or 493,300 depending on the nine you are rounding.
if the number before the 9 is 5 or more, you round up, if its 4 or less you round down .
x=-2.2
y=11
that should be all
15
The quadratic formula is
and in the equation ax^2+bx+c=0
so now all you have to do is substitute the numbers into the quadratic formula
y = -2(50) + 20
y = -100 + 20 = -80
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