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elena55 [62]
4 years ago
5

Whats the answer for (5x + 8)(4x² + 6x - 8)

Mathematics
1 answer:
mestny [16]4 years ago
4 0
(5x + 8)(4x^2 + 6x - 8)\\ \\ 5x(4x^2 + 6x - 8) + 8(4x^2 + 6x - 8) \\ \\ 20x^3 + 30x^2 - 40x + 8(4x^2 + 6x - 8) \\ \\ 20x^3 + 30x^2 - 40x + 32x^2 + 48x - 64 \\ \\ 20x^3 + (30x^2 + 32x^2) + (-40x + 48x) - 64 \\ \\ 20x^3 + 62x^2 + 8x - 64 \\ \\

The final result is: 20x^3 + 62x^2 + 8x - 64.
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Which statement is true?
Rom4ik [11]

Answer:

  (b)  Both vertical and horizontal reflection

Step-by-step explanation:

The figure will be a horizontal reflection of itself about any vertical line through two of the smaller 6-pointed stars.

The figure will be a vertical reflection of itself about any horizontal line through two of the smaller 6-pointed stars.

  the pattern has both vertical and horizontal reflection

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<em>Additional comment</em>

A pattern will have horizontal reflection if there exists a vertical line about which the pattern can be reflected to itself. That is, there exists one (or more) vertical lines of symmetry.

Similarly, the pattern will have vertical reflection if there is a horizontal line about which the pattern can be reflected to itself. Such a line is a horizontal line of symmetry.

3 0
3 years ago
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djyliett [7]

Answer:

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Step-by-step explanation:

because y is a rotation that rotates up and down like a ramp!

4 0
3 years ago
Find the perimeter of a triangle with sides 15 inches, 15 inches, and 21 inches length.
Degger [83]

find the perimeter of a triangle with sides 15 inches, 15 inches, and 21 inches length

To find the perimeter of a triangle we add all the sides of the triangle

The length of the sides of the triangle are given as 15 inches, 15 inches, and 21 inches

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So 51 inches is the perimeter

3 0
3 years ago
Five dices are tossed together, what is the total number of outcome expected from this experiment?
Serga [27]
The total number of outcomes would be 6 ;) Hope this helps!
3 0
3 years ago
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aniked [119]

Answer:

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Step-by-step explanation:

You simply add the lengths of all the sides. 3 m is not needed for this.

8 0
3 years ago
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