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3 years ago

Find the solution of the inequality -3n < 81

Mathematics

1 answer:

posledela3 years ago

8 0

Answer:

n<-27

Step-by-step explanation:

you have to get n by itself, to do this divide -3 from both sides of the equations.

-3n/-3<81/-3

n<-27

the answer is n<-27

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The general solution of e x cosydx−e x sinydy=0 is :__________

Natasha2012 [34]

Answer:

General solution x = log | sec y | + C

Step-by-step explanation:

Step(i):-

Given

$e^{x} cosy dx - e^{x} sin y d y = 0$

$e^{x} (cosy dx = e^{x} sin y d y$

cos y dx = sin y d y

$dx = tan y d y$

Step(ii):-

now integrating on both sides , we get

$\int\limits {1} \, dx = \int\limits {tany} \, dy$

by using formula

$\int\limits {tany} \, dy = log | sec y | + C$

x = log | sec y | + C

Final answer:-

General solution x = log | sec y | + C

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3 years ago

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Alex777 [14]

Answer:

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Step-by-step explanation:

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It has two pairs of parallel opposite sides.

Its diagonals bisect each other.

It has two pairs of equal opposite angles.

It has two pairs of equal and parallel opposite sides.

So, the answer is D.) opposite angles are congruent.

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Answer:

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