For this case we have the following quadratic function
To solve by completing squares, we must take into account the following procedures:
1) The variables on one side of the equation:
2) The leading term equal to 1:
3) Complete the square:
Answer:
The solutions are:
Answer:
Step-by-step explanation:
(1+1+4+6+8+10+20)-(-30+40)-45-(-56+34)= solving bracket
50-(10)-45-(-22)=
Open bracket
50-10-45+22=
50-10-(45+22)=40-67=-27
Answer:
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Step-by-step explanation:
Answer:
a)
b)
Step-by-step explanation:
The given function is
When x=-6
Answer:
$166.42.
Step-by-step explanation:
We have been given that the price of the cell phone is expected to increase by 165% in September 2015. The current price of a cell phone is $62.80.
The price of cell phone in September 2015 will be $62.80 plus 165% of $62.80.
Therefore, the predicted cost of a cell phone in September 2015 will be $166.42.