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2 years ago

5

Mr Edwards buys 2 new knobs for each of his kitchen cabinets. How many knobs does he buy?

1 answer:

Andreas93 [3]2 years ago

3 0

Answer:

Step-by-step explanation:

You need to find out how many cabinets it is

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Find the equation of the axis of symmetry of the following parabola algebraically.

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:

$x_{vertex}=\frac{-b}{2\,a}$

which in our case becomes:

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

Then, the equation of the axis of symmetry for this parabola is:

$x=8$

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3 years ago

Which is the most effective brand name shoe. is it Experimental vs. Observational

balandron [24]

Answer:

nike its observational

Step-by-step explanation:

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2 years ago

If the subtrahend is 9 and the difference is 8 what is the minuend

enyata [817]

The subtrahend is 9 and the difference is 8 and the minuend is 17

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3 years ago

A sporting good store is offering 30 percent off of the original price(x) of football cleats. The discount will be reduced by an

mylen [45]

(X times 0.3) -7 is the discount

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3 years ago

Please help me, I’m struggling

Rzqust [24]

Answer:

28 $\sqrt{6}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

$\sqrt{96}$

= $\sqrt{16(6)}$

= $\sqrt{16}$ × $\sqrt{6}$

= 4 $\sqrt{6}$

Then

7 $\sqrt{96}$

= 7 × 4 $\sqrt{6}$

= 28 $\sqrt{6}$

8 0

2 years ago