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sergij07 [2.7K]
3 years ago
11

Just #9 Can someone please help I don’t understand it.

Mathematics
1 answer:
alexgriva [62]3 years ago
6 0

Answer:

D

Step-by-step explanation:

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Find the perimeter and area of the polygon with the given vertices C (4,0) D (4,7) E (8,7) F(8,0)
Dafna11 [192]
The perimeter would be 7+7+4+4 or 14+8 which equals 22 and the area would be 7x4 which is 28
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If endpoints of the diameter of a circle are (8,-6) and (4, -2), what is the standard form equation of the circle?
Len [333]

Answer:

(X-6)^2 + (y+4)^2 = 8

Step-by-step explanation:

So the distance between the two points is 4 sqrt(2) by using the distance formula. So the diameter of the circle is 4sqrt(2) and the radius is 2sqrt(2).

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Since the equation of a circle is (x-h)^2 + (y-k)^2 = r^2, we can substitute in h, k, and r.

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3 years ago
Round 8.984 to nearest hundredths, tenths, ones and tens
Marta_Voda [28]
Hundredths: 8.98
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tens: there is none
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4 years ago
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