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mina [271]
3 years ago
12

What is the factored form of x6 - 9?

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
4 0

Answer:

D

Step-by-step explanation:

x^{6} - 9 ← is a difference of squares and factors in general as

a² - b² = (a + b)(a - b)

Given

x^{6} - 9

= (x³ )² - 3²

= (x³ + 3)(x³ - 3) → D

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3 years ago
Any possible way i can get some help? steps or not.. i’m in need..
igor_vitrenko [27]

Answer:

The answer to your question is:

7.-  y = 6 units

8.-  a = 10.6 in

9.- 41.6 ft

Step-by-step explanation:

7.- That is a right triangle and the hypotenuse is y.

     Use the pythagorean theorem to find y.

        y² = (3√2)² + (3√2)²

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8.-

  hypotenuse = 15 in

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  a = b  so

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c² = 2a²

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9.-

Use trygonometry to solve this triangle

height = 36 feet

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hypotenuse = 36 / sin Ф

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Step-by-step explanation:

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