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Svetllana [295]

3 years ago

13

Michael wants to make lemonade for a party using the recipe below.

1 answer:

alukav5142 [94]3 years ago

6 0

Answer:

14.25L

Step-by-step explanation:

3(1.25) + 3(2.5) + 3(1) = 14.25L

If he intends to make three times the amount of lemonade listed, he has to multiply each ingredient by 3. I hope this is what you wanted!

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mr Goodwill [35]

Answer:

the equation of the axis of symmetry is $x=8$

Step-by-step explanation:

Recall that the equation of the axis of symmetry for a parabola with vertical branches like this one, is an equation of a vertical line that passes through the very vertex of the parabola and divides it into its two symmetric branches. Such vertical line would have therefore an expression of the form: $x=constant$ , being that constant the very x-coordinate of the vertex.

So we use for that the fact that the x position of the vertex of a parabola of the general form: $y=ax^2+bx+c$ , is given by:

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$x_{vertex}=\frac{-b}{2\,a} \\x_{vertex}=\frac{48}{2\,(3)} \\x_{vertex}=\frac{48}{6} \\x_{vertex}=8$

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