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3 years ago

11

Find m angle 4. Please help me on this !!!!!!!!!!! I will mark the brainliest !!!!!!!!!!!!!!

1 answer:

ANTONII [103]3 years ago

4 0

Step-by-step explanation:

it will be 116 by alternate exterior angles

I hope it helps

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Find the slope and reduce. P=(-4, 2) Q=(4,-4) Slope =

yarga [219]

Answer:

slope = - $\frac{3}{4}$

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = P(- 4, 2) and (x₂, y₂ ) = Q(4, - 4)

m = $\frac{-4-2}{4+4}$ = $\frac{-6}{8}$ = - $\frac{3}{4}$

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3 years ago

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Solve the following equation with the initial conditions. x¨ + 4 ˙x + 53x = 15 , x(0) = 8, x˙ = −19

Katen [24]

$x''+4x'+53x=15$

has characteristic equation

$r^2+4r+53=0$

with roots at $r=-2\pm7i$ . Then the characteristic solution is

$x_c=C_1e^{(-2+7i)t}+C_2e^{(-2-7i)t}=e^{-2t}\left(C_1\cos(7t)+C_2\sin(7t)\right)$

For the particular solution, consider the ansatz $x_p=a_0$ , whose first and second derivatives vanish. Substitute $x_p$ and its derivatives into the equation:

$53a_0=15\implies a_0=\dfrac{15}{53}$

Then the general solution to the equation is

$x=e^{-2t}\left(C_1\cos(7t)+C_2\sin(7t)\right)+\dfrac{15}{53}$

With $x(0)=8$ , we have

$8=C_1+\dfrac{15}{53}\implies C_1=\dfrac{409}{53}$

and with $x'(0)=-19$ ,

$-19=-2C_1+7C_2\implies C_2=-\dfrac{27}{53}$

Then the particular solution to the equation is

$\boxed{x(t)=\dfrac1{53}e^{-2t}(409cos(7t)-27\sin(7t)+15)}$

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3 years ago

Solution of 1/2m = 0

photoshop1234 [79]

$\large\text{Hey there!}$

$\mathsf{Solution\ of: \dfrac{1}{2}m=0}$

$\mathsf{\dfrac{1}{2}m=0}\\\\\mathsf{MULTIPLY\ by\ 2\ on\ both\ of\ your\ sides!}\\\\\mathsf{2\times\dfrac{1}{2}m=2\times0}\\\\\mathsf{Cancel\ out: 2\times\dfrac{1}{2}\ because\ it\ gives\ you\ 1}\\\\\mathsf{Keep:2\times0\ because\ it\ gives\ it\ gives\ the\ value\ of\ \bf{m}}\\\\\mathsf{2\times0=0}\\\\\boxed{\boxed{\mathsf{Thus\ your\ answer\ is: \boxed{\mathsf{m=0}}}}}\checkmark$

$\large\text{Good luck on your assignment and enjoy your day!}$

~ $\dfrac{\frak{LoveYourselfFirst}}{:)}$

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3 years ago

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kvv77 [185]

Answer:

100.48

V=πr^2h

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