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3 years ago

5

What is the meaning of cubed (enter the number only)

2 answers:

Ivenika [448]3 years ago

6 0

Answer:

3

Step-by-step explanation:

Mariulka [41]3 years ago

5 0

Answer: 3

Step-by-step explanation:

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If the circumference of a circle measures 12π cm, what is the area of the circle in terms of π?

frez [133]

So the formula for the circumference of a circle is π x diameter
Since we know the the circumference already, we just divide that by π:

12π / π = 12

Now we halve the diameter to get the radius:
12 / 2 = 6

The area of a circle is π x radius²
So the area is:

·π x 6² = 36π· (or 113 not in terms of π)

5 0

3 years ago

Factor the quadratic expression in the equation y=2x^2+28x+96 and use the factors to find the zeros of the equation. Then, use t

gavmur [86]

Answer:

$x=-7$

Step-by-step explanation:

We have been given an equation $y=2x^2+28x+96$ . We are asked to find the zeros of equation by factoring and then find the line of symmetry of the parabola.

Let us factor our given equation as:

$2x^2+28x+96=0$

Dividing both sides by 2:

$x^2+14x+48=0$

Splitting the middle term:

$x^2+6x+8x+48=0$

$(x^2+6x)+(8x+48)=0$

$x(x+6)+8(x+6)=0$

$(x+8)(x+6)=0$

Using zero product property:

$(x+8)=0\text{ (or) }(x+6)=0$

$x+8=0\text{ (or) }x+6=0$

$x=-8\text{ (or) }x=-6$

Therefore, the zeros of the given equation are $x=-8\text{ (or) }x=-6$ .

We know that the line of symmetry of a parabola is equal to the x-coordinate of vertex of parabola.

We also know that x-coordinate of vertex of parabola is equal to the average of zeros. So x-coordinate of vertex of parabola would be:

$\frac{-8+(-6)}{2}=\frac{-14}{2}=-7$

Therefore, the equation $x=-7$ represents the line of symmetry of the given parabola.

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3 years ago

I'm a 10 x 10 grid that represents 800 one square represents

nasty-shy [4]

One square represents 8

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A certain game and fun center charges a fee to rent the party room for birthday parties plus an additional fee per guest. The gr

anygoal [31]

Answer:

i Believe c

Step-by-step explanation:

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2 years ago

a 36 foot long ribbon is cut into three pieces. the first piece is half as long as the second piece. the third piece is 1 foot l

Paraphin [41]

The 3rd piece is the longest piece of ribbon

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3 years ago