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3 years ago

Please help me with this question.

Mathematics

1 answer:

grigory [225]3 years ago

3 0

Answer:

Answers and steps are in picture. Pardon bad drawing.

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In ΔUVW, the measure of ∠W=90°, the measure of ∠U=27°, and WU = 9.7 feet. Find the length of VW to the nearest tenth of a foot.

Inessa [10]

Answer:

4.9 feet

Step-by-step explanation:

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3 years ago

Convert 5 3/4 to an improper fraction

Digiron [165]

Convert 5 3/4 to an improper fraction.The improper fraction would be 23/4

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3 years ago

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Find the midpoint of the segment with the following endpoints.<br> (9,6) and (5,2)

yanalaym [24]

Answer:

(7,4)

Step-by-step explanation:

to find the x value in the midpoint you add both xs and divide by 2

9+5=14

14/2 = 7 = x

to find the y value in the midpoint you add both ys and divide by 2

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3 years ago

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11111nata11111 [884]

Answer:

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Step-by-step explanation:

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3 years ago

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Find Integrating Fector: <br> ylogy dx + ( x-logy )dy=0

12345 [234]

Rewrite the ODE as

$y\log y\,\mathrm dx+(x-\log y)\,\mathrm dy=0\iff y\log y\dfrac{\mathrm dx}{\mathrm dy}+x=\log y$
$\dfrac{\mathrm dx}{\mathrm dy}=\dfrac1{y\log y}x=\dfrac1y$

so that it is now linear in $x$ . An integrating factor would

$\mu(y)=\exp\left(\displaystyle\int\frac{\mathrm dy}{y\log y}\right)=e^{\log(\log y)}=\log y$

Multiply both sides by $\mu(y)$ to get

$\log y\dfrac{\mathrm dx}{\mathrm dy}=\dfrac1yx=\dfrac{\log y}y$
$\dfrac{\mathrm d}{\mathrm dy}[x\log y]=\dfrac{\log y}y$
$x\log y=\displaystyle\int\frac{\log y}y\,\mathrm dy$
$x\log y=\dfrac12\log^2y+C$
$x=\dfrac12\log y+\dfrac C{\log y}$

4 0

4 years ago