Using a table, show 60% of 80 60% of 80 is о

1 answer:

3 0

You have 80 pens for example, and it's all what you have, so it's 100% of your owns; you used 20 and still 60 and you want to find he percentage of what it rest! So you make 100% _______80 X _______60 you will have 100% * 60 = X * 80 so X = 100% * 60/ 80 X= 75%

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There are 100 tabs of acetaminophen in one bottle. There are 650mg in 2

Minchanka [31]

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3 years ago

The graph above is a transformation of the function x2 Write an equation for the function graphed above

lutik1710 [3]

Answer: y=0,5x²-x-1,5.

Step-by-step explanation:

$(-1;0)\ \ \ \ (3;0)\ \ \ \ (1;-2) \ \ \ \ y=ax^2+bx+c\ ?\\\left\{\begin{array}{ccc}a*(-1)^2+b*(-1)+c=0\\a*3^2+b*3+c=0\\a*1^2+b*1+c=-2\end{array}\right \ \ \ \ \ \left\{\begin{array}{ccc}a-b+c=0\ \ (1)\\9a+3b+c=0\ (2)\\a+b+c=-2\ (3)\end{array}\right \\$