Will mark brainlliest

Mathematics

2 answers:

Mazyrski [523]2 years ago

8 0

Answer:

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lawyer [7]2 years ago

3 0

Answer:

b is the cprrect answer

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please mark this answer as brainliest

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If x-1/x=5 find x^3+1/x^3=?

ipn [44]

$\dfrac{x-1}{x}=5\ \ \ \ /x\neq0\\\\\dfrac{x-1}{x}=\dfrac{5}{1}\ \ \ \ |\text{cross multiply}\\\\5x=x-1\ \ \ \ |-x\\\\5x=1\ \ \ \ |:5\\\\x=0.2\\\\\dfrac{x^3+1}{x^3}=\dfrac{x^3}{x^3}+\dfrac{1}{x^3}=1+\dfrac{1}{x^3}\to1+\dfrac{1}{0.2^3}=1+\dfrac{1}{0.008}\\\\=1+\dfrac{1}{\frac{8}{1,000}}=1+\dfrac{1,000}{8}=1+125=126\\\\\text{Answer:}\ \dfrac{x^3+1}{x^3}=126$

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3 years ago

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The overall distance traveled by a golf ball is tested by hitting the ball with Iron Byron, a mechanical golfer with a swing tha

dmitriy555 [2]

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The tabulated value is less than the calculated value, therefore we accept the null hypothesis and It show that there is a difference in the mean overall distance of brands.

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3 years ago

Which expression is equivalent to (7x – 5) – (3x - 2)?

Alex73 [517]

Answer:D

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3 years ago

If An=An−1 + 4 and A5 = 12, what is A7?

dangina [55]

Answer:

The frequency of A7, which is two octaves above A5, is 3520 (880 x 2 x 2) Hz. The octave term is used in the musical composition to relate the same notes in the higher or lower scale of notes. The note in the one octave higher scale have a doubled frequency than in the neutral scale and The note in the one octave lower scale have a half frequency than in the neutral scale.

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MARK BRAINLIEST PLEASE!!!!!!!

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3 points<br> Identify which of the below are functions.

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C,f and b I think because u only look at the x and nothing else but when u looking in a linear graph u do a the straight line test

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