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3 years ago

Pls help me i will give u brainliest!

Mathematics

1 answer:

Tema [17]3 years ago

5 0

Answer: im almost positive its -1 1/2

Step-by-step explanation:

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Xy=1 in polar coordinates

Marianna [84]

$xy=1\iff (r\cos\theta)(r\sin\theta)=r^2\sin\theta\cos\theta=\dfrac12r^2\sin2\theta=1$
$\implies r^2=2\csc2\theta$
$\implies r=\sqrt{2\csc2\theta}$

where we ignore the second root and use the convention that $r>0$ .

8 0

3 years ago

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I need help please help me.THANKS!!

Elan Coil [88]

Answer:

A. 42, 120, 162

Step-by-step explanation:

27 x 6 = 162

42 + 120 = 162

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3 years ago

A set of high school student heights are normally distributed with a mean of 161 centimeters and a standard deviation of 15 cent

My name is Ann [436]

Answer:

da/;vmd<>"d s

Step-by-step explanation:

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3 years ago

What is 21-21+21-21-31-7877

kap26 [50]

Answer:

- 7,908

Step-by-step explanation:

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3 years ago

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which one of yu geniuses can answer this question ???

madreJ [45]

Answer:

B. 20

Step-by-step explanation:

x + 40 = 3x

x - x + 40 = 3x - x

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3 years ago