haileygolden21 haileygolden21
  • 12-05-2020
  • Mathematics
contestada

What is the radius of a circle whose equation is (x + 5)2 + (y - 3)2 = 42?
O
2 units
4 units
8 units
16 units

please show work!!

Respuesta :

Аноним Аноним
  • 12-05-2020

Answer:

x=−y+19

Step-by-step explanation:

(x+5)(2)+(y−3)(2)=42

Step 1: Add -2y to both sides.

2x+2y+4+−2y=42+−2y

2x+4=−2y+42

Step 2: Add -4 to both sides.

2x+4+−4=−2y+42+−4

2x=−2y+38

Step 3: Divide both sides by 2.

2x

2

=

−2y+38

2

x=−y+19

Answer Link
sclark15 sclark15
  • 18-04-2022

Answer:

its 4 units

Step-by-step explanation:

just took test

Answer Link

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