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nata0808 [166]
2 years ago
12

A circle is represented by the equation x²+y²−8y−20=0. What is the diameter of the circle?

Mathematics
1 answer:
vredina [299]2 years ago
7 0

Answer:

center:(0,4) radius:6

Step-by-step explanation:

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Answer:

B

Step-by-step explanation:

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3 years ago
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Find the slope of the line through the pair of points: (14, 10) (14, -3)
vivado [14]

Answer:

Slope is zero.

Step-by-step explanation:

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3 years ago
Kumar bought some mangoes. The price of each mango () is found to be 6 more than the total number of mangoes bought by him and t
spayn [35]

Answer:

Price = 20, Amount = 14

Step-by-step explanation:

A = Amount of Mangoes

P = Price for 1 Mango

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280 = (A+6) * A

280 = 6A + A²

280=1*a^2+6*a  | Vertausche beide Seiten der Gleichung.

1*a^2+6*a=280  | quadratische Ergänzung: ergänze auf beiden Seiten (3)^2

1*a^2+6*a+(3)^2=3^2+280  | Rechne 3 hoch 2 aus.

1*a^2+6*a+(3)^2=9+280  | addiere 9 und 280

1*a^2+6*a+(3)^2=9+280  | Fasse die rechte Seite mit Hilfe der binomischen Formel zusammen.

1*(1*a+(3))^2=289  | Auf beiden Seiten Quadratwurzel ziehen.

1*a+(3)=+-*289^0.5  

1*a_1+(3)=289^0.5  

1*a_1+3=289^0.5  | Ziehe die Wurzel aus 289

1*a_1+3=17  | -3

1*a_1=14  

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2 years ago
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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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