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nevsk [136]
2 years ago
5

If y varies inversely as x and y = –9 when x = –11, find y when x = 66.

Mathematics
2 answers:
Ann [662]2 years ago
8 0

Answer:

y=3 divided by 2

Step-by-step explanation:

zlopas [31]2 years ago
6 0

Answer:

y=\frac{3}{2}

Step-by-step explanation:

y=\frac{k}{x}

-9=\frac{k}{-11}

k=99

y=\frac{99}{66}

y=\frac{3}{2}

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150 - x = 87 what does x equal here ?
Ainat [17]

Answer:

x=63

Step-by-step explanation:

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<em>150-x-150=87-150</em>

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HELP 20 POINTS!!! Does the infinite geometric series diverge or converge? Explain.
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Find the quotient of these Complex Numbers. <br><br><br> (5-i) / (3+2i)
JulsSmile [24]

Let the given complex number

z = x + ix = \dfrac{5-i}{3+2i}

We have to find the standard form of complex number.

Solution:

∴ x + iy = \dfrac{5-i}{3+2i}

Rationalising numerator part of complex number, we get

x + iy = \dfrac{5-i}{3+2i}\times \dfrac{3-2i}{3-2i}

⇒ x + iy = \dfrac{(5-i)(3-2i)}{3^2-(2i)^2}

Using the algebraic identity:

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Thus, the given complex number in standard form as "1 - i".

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