3 years ago

In witch quadrant is the number 6 - 8i located on the complex plane?

Mathematics

1 answer:

dangina [55]3 years ago

4 0

4th quadrant The real axis is the x-axis and the imaginary axis is the y-axis.

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Preimage and image points are labeled as primes.

gtnhenbr [62]

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myrzilka [38]

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3 years ago

The area of a circle is 43.25cm2.<br> Find the length of the radius rounded to 2 DP.

Monica [59]

Answer:

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Step-by-step explanation:

Hi there!

Area of a circle equation: $A=\pi r^2$ where r is the radius

Plug in the area 43.25 cm²

$43.25=\pi r^2$

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$\frac{43.25}{\pi} =\frac{\pi r^2}{\pi} \\\frac{43.25}{\pi}=r^2$

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$\sqrt{\frac{43.25}{\pi}} =r\\3.71=r$

Therefore, the length of the radius rounded to 2 decimal points is 3.71 cm.

I hope this helps!

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3 years ago

[3 - (4 + 32 * 8) ÷ 4] =

serg [7]

<span>[3 - (4 + 32 * 8) ÷ 4]
=</span>[3 - (4 + 4) ÷ 4]
= 3 - 8 ÷ 4
= 3 - 2
= 1

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3 years ago