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3 years ago

30 POINTS!

Mathematics

1 answer:

inessss [21]3 years ago

7 0

126,773,792,413,402 days
887,416,546,893,814 weeks
5.324499281363e16 seconds
4,225,793,080,446.733 months

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Anyone can find “v” and “u”??

irga5000 [103]

Answer:

$v = \frac{16}{3} \: \: and \: \: u = \frac{20}{3}$

Step-by-step explanation:

In triangle WYZ ,

${u}^{2} = {4}^{2} + {v}^{2} = 16 + {v}^{2}$

In traingle WXZ ,

${(3 + v)}^{2} = {5}^{2} + {u}^{2}$

Putting the value of U^2 in above eqn.

$= > {(3 + v)}^{2} = 25 + (16 + {v}^{2} )$

$= > {v}^{2} + 6v + 9 = 41 + {v}^{2}$

$= > {v}^{2} - {v}^{2} + 6v = 41 - 9$

$= > 6v = 32$

$= > v = \frac{32}{6} = \frac{16}{3}$

Putting the value of V in eqn. below :-

${u}^{2} = 16 + { (\frac{16}{3} )}^{2}$

$= > {u}^{2} = \frac{256}{9} + 16$

$= > {u}^{2} = \frac{256 + 144}{9} = \frac{400}{9}$

$= > u = \sqrt{ \frac{400}{9} } = \frac{20}{3}$

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3 years ago

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iogann1982 [59]

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Simplify for Y.<br><br> 9y^3=-21-3x

Hitman42 [59]

Simplifying for y we get $y=-\sqrt[3]{\frac{(7+x)}{3}}$

Step-by-step explanation:

We need to solve for the value of y

$9y^3=-21-3x$

Taking -3 common on right side of equation

$9y^3=-3(7+x)$

Dividing both sides of equation by 9

$y^3=-\frac{3(7+x)}{9}$

$y^3=-\frac{(7+x)}{3}$

Taking cube root on both sides:

$\sqrt[3]{y}=-\sqrt[3]{\frac{(7+x)}{3}}\\ y=-\sqrt[3]{\frac{(7+x)}{3}}$

So, Simplifying for y we get $y=-\sqrt[3]{\frac{(7+x)}{3}}$

Keywords: Simplify the equations

Learn more about Simplify the equations at:

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3 years ago

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Answer:

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Step-by-step explanation:

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