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Svetradugi [14.3K]
3 years ago
14

What is 123.45 rounded to the nearest tenths place

Mathematics
2 answers:
natali 33 [55]3 years ago
8 0

Answer:120.00

Step-by-step explanation:

The number after the tenth digit is less than 5 so we round down

Artist 52 [7]3 years ago
3 0

Answer:

120

Step-by-step explanation:

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Which of the following equations listed below has a radius of 3?
Evgesh-ka [11]

Answer:

C.

Step-by-step explanation:

WE need to convert the given equations  into the standard form

(x - a)^2 + (y - b)^2 = r^2 where r = the radius.

x^2 + y^2 + 12x - 20y+ 132 = 0

(x + 6)^2 - 36 + (y - 10)^2 - 100 = -132

(x + 6)^2 + (y - 10)^2 = -132 + 36 + 100 = 4

giving a radius of 2

x^2 + y^2 + 12x - 20y + 55 = 0

will give a right hand side of -55 + 36 + 100 = 81  giving radius 9.

x^2 + y^2 - 12x+ 20y + 127 = 0

- gives right hand side of -127 + 36 + 100 = 9 giving a radius of 3.

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2 years ago
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netineya [11]
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Số hạng đầu và số hạng thứ 2 của một cấp số nhân lần lượt là x+2 và x^2 -4 số hạng thứ 3 của cấp số nhân này là
GenaCL600 [577]

Answer:

x³-2x²-4x+8

Step-by-step explanation:

a1=x+2

a2=x²-4⇒q=a2/a1=x-2

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Answer:

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Step-by-step explanation:

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Here, we have a=x and b=yi. Then the factorization is ...

  x² +2xyi +(yi)² = (x +yi)²

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3 years ago
Help asap!!!!!! answer 4 5 and 6 please thx TvT
Yuliya22 [10]

Answer:

4. 9

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Step-by-step explanation:

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