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alex41 [277]
3 years ago
10

3 < -5n + 2n Please show your work! Just in number form!

Mathematics
2 answers:
vovangra [49]3 years ago
8 0

Answer:

[See Below]

Step-by-step explanation:

✦ Combine like terms:

  ✧ -5n + 2n = -3n

✦ Rewrite:

  ✧ 3 < -3n

✦ Divide:

  ✧ 3 / -3 = -1

So n = -1.

~<em>Hope this Helps Mate. If you need anything feel free to message me. </em>

yarga [219]3 years ago
3 0

Hey there!

Answer:\boxed{n

Explanation:

3

Start by simplifying both sides of the inequality.

-3n>3

Now divide both sides by -3.

\frac{-3n}{-3} >\frac{3}{-3}\\n

\boxed{n

Also here is a graph below.

Hope this helps!

\text{-TestedHyperr}

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Complete Question

The complete question is shown on the first uploaded image

Answer:

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     | \frac{\delta  (x,y)}{\delta (u, v)} | =  | \ det \left[\begin{array}{ccc}{\frac{\delta x}{\delta u} }&{\frac{\delta x}{\delta v} }\\\frac{\delta y}{\delta u}&\frac{\delta y}{\delta v}\end{array}\right] |

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Let \   a =  -2e^{-2u} cos(5v),  \\ b=-2e^{-2u} sin(5v),\\c =-2e^{-2u} sin(5v),\\d=-2e^{-2u} cos(5v)

So

     \frac{\delta  (x,y)}{\delta (u, v)} | = |det  \left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right] |

=>    \frac{\delta  (x,y)}{\delta (u, v)} | = | a *  b  - c* d |

substituting for a, b, c,d

=>    \frac{\delta  (x,y)}{\delta (u, v)} | =  | -10 (e^{-2u})^2 cos^2 (5v) - 10 e^{-4u} sin^2(5v)|

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=>  \frac{\delta  (x,y)}{\delta (u, v)} | = 10e^{-4u}

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