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antoniya [11.8K]
3 years ago
7

Can someone please help me

Mathematics
1 answer:
kodGreya [7K]3 years ago
6 0

Answer:

dilation factor is 4

Step-by-step explanation:

what did you had to multiply the side of the small initial picture by to get the big picture?

-the small side that is 2 became 8 so you multiplied by 4

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Find all complex solutions of the equation x^4 + x^2 - 6 = 0
aleksandr82 [10.1K]
x^4+x^2-6=0 \\
(x^2)^2+x^2-6=0 \\ \\
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x^2=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-1 \pm \sqrt{25}}{2 \times 1}=\frac{-1 \pm 5}{2} \\
x^2=\frac{-1-5}{2} \ \lor \ x^2=\frac{-1+5}{2} \\
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x^2=-3 \ \lor \ x^2=2 \\
x=\pm \sqrt{-3} \ \lor \ x=\pm \sqrt{2} \\
\boxed{x=-i\sqrt{3} \hbox{ or } x=i\sqrt{3} \hbox{ or } x=-\sqrt{2} \hbox{ or } x=\sqrt{2}}
6 0
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Read 2 more answers
Shania is making a scale diagram of the badminton court at the community center. She uses a scale of 1 centimeter to 0.5 meter t
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1m = 100cm

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1cm → 0.5 · 100cm = 50cm

The scale: \dfrac{50}{1}=50

length = 26.8cm · 50 = 1,340cm = 13.40m

width = 12.2cm · 50 = 610cm = 6.10m

The area of the court:

A = 13.40 · 6.10 = 81.74 m²

8 0
3 years ago
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