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3 years ago

K=mv^2/2 Find derivative of k

Mathematics

1 answer:

jonny [76]3 years ago

5 0

Answer: I think. it's 0

Step-by-step explanation:

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3cot^(2 )x-1=0<br><br> Pls Help

Elina [12.6K]

Answer:

$x=\frac{\pi }{6} ,\frac{7\pi }{6}$

Step-by-step explanation:

$3*cot^2x-1=0\\\\3*cot^2x=1\\\\cot^2x=\frac{1}{3} \\\\cot(x)=\sqrt{\frac{1}{3} } \\\\cot(x)=\frac{1}{\sqrt{3} } \\\\\frac{1}{tan(x)}=\frac{1}{\sqrt{3} } \\\\tan(x)=\sqrt{3} \\$

x=tan^-1( $\sqrt{3}$ )

It has to be in Quadrant 1 $\frac{+}{+} =+$ or 3 $\frac{-}{-}=+$ for positive.

$x=\frac{\pi }{6} ,\frac{7\pi }{6}$

Unless that incorrect due to tan(x) range is $-\frac{\pi }{2} \leq x\leq \frac{\pi }{2}$ . Then the only answer is $x=\frac{\pi }{6}$

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3 years ago

Hey y’all! Can I please have some help??? :)

Luba_88 [7]

Answer:

Rhombi and Squares

Step-by-step explanation:

1) KY (pythagorean Thm) 5² + x² = 13² ...= 12

2) PK Diagonals bisected. also = 12

3) Diagonals of rhombi are perpendicular. <YKZ = 90

4) 67. Alternate interior angles are congruent.

5) 3. Diagonals are bisected and congruent for squares.

6) 45° . Angles are bisected by diagonals.

7) 90° . All angles of squares are right angles.

8) 6. Diagonals are bisected. So 3 is doubled to 6.

9) I need graph paper.. hol'up

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2 years ago

I need help with answering this equation

Sloan [31]

Answer:

in this case it is just multiplying the two items together

the THIRD CHOICE...

3x(x^2-5x-9)

3x^3 -15x^2 -27x

Step-by-step explanation:

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3 years ago

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Help with this question, please!

brilliants [131]

Answer: The third choice

Step-by-step explanation:

For the equation of a circle, you would do the opposite signs of the center coordinates and square the radius.

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4 years ago

725939 divided by 927

ehidna [41]

Answer:

783

Step-by-step explanation:

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4 years ago

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