Question is 15 points

Mathematics

2 answers:

Korvikt [17]3 years ago

4 0

I think the answer is B

algol133 years ago

4 0

I'm assuming 0.766 is just sin 58.

sin of an angle is the opposite measure divided by the hypotenuse.

sin 58 = x/12, your second option

To keep going and solve, you would multiply both sides by 12 to isolate the variable x and cancel out 12 on the right side, leaving you with x = 12(sin 58)

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olga nikolaevna [1]

a³-b³=(a-b)(a²+ab+b²)

64x⁶ - 27

64 = 4³,
x⁶ = (x²)³
27 = 3³

64x⁶ - 27 = 4³(x²)³ -3³ = (4x²)³ -3³. Now, we can use a formula where a=4x², b=3

(4x²)³ -3³ = (4x² -3)((4x²)² +4x²*3 + 3²) = (4x² -3)(16x⁴ +12x² + 9)

Answer: 64x⁶ - 27= (4x² -3)(16x⁴ +12x² + 9)

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3 years ago

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VLD [36.1K]

Answer:

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Step-by-step explanation:

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garri49 [273]

We can see that two sides of that triangle area equal

so, their corresponding angle will also be equal

now, we know that

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so, we can get equation as

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