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ICE Princess25 [194]
2 years ago
11

The equation x 2 + y 2 − 4 x + 2 y = b x 2 +y 2 −4x+2y=b describes a circle. determine the y coordinate of the center of a circl

e
Mathematics
2 answers:
Gelneren [198K]2 years ago
8 0

Answer:

-1

Step-by-step explanation:

x²+y²-4x+2y=b

x²-4x+4+y²+2y+1=b+4+1

(x-2)²+(y+1)²=b+5

center is (2,-1)

Elan Coil [88]2 years ago
4 0

Answer

Here’s a graph. Hope this helps.

Step-by-step explanation:

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MA_775_DIABLO [31]

Answer:

x = 72

Step-by-step explanation:

2/3x + 6 = 1/2x + 1/4x

2/3x + 6 = 3/4x

3/4 - 2/3 = 1/12

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Multiply 6 by 12 to get x

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8 0
3 years ago
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F(x)= x^2– 3x + 9<br> g(x) = 3x^3+ 2x^2– 4x – 9<br> Find (f - g)(x).
denis-greek [22]

Answer:

\large \boxed{\sf \ \ -3x^3-x^2+x+18 \ \ }

Step-by-step explanation:

Hello, please consider the following.

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Hope this helps.

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5 0
2 years ago
A phone company advertises a new plan in which the customer pays a fixed amount
Irina-Kira [14]

Answer:

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Step-by-step explanation:

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<u>So it takes 30 minutes for international minutes</u> <em><u>Thank </u></em><em><u>You</u></em>

^_^

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1 year ago
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Otrada [13]

Answer:

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The patient weighs about 268 pounds after the 4 week diet.
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