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3 years ago

Determine the general form of the equation for the circle (x – 1)2 + (y + 2)2 = 3.

Mathematics

1 answer:

12345 [234]3 years ago

6 0

(x-1)(x-1) + (y+2)(y+2) = 3

x2 -1x -1x + 1 + y2 +2y +2y +4=3

x2 +y2 -2x +4y + 2=0

A is the answer

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iren2701 [21]

1. Correct

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Hope that helps u!!

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3 years ago

2. (x3 – 6x2) (x – 7)

ira [324]

Answer:

I believe this is the answer you are looking for:

x3-6x2-7x

Step-by-step explanation:

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3 years ago

Three angles of a quadrilateral are 75,120, 90,then the fourth angle..

Roman55 [17]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Geometry

Sum of Angles in a Quadrilateral: 360

Step-by-step explanation:

Step 1: Set up

75 + 120 + 90 + ∠4 = 360

Step 2: Solve

Add: 285 + ∠4 = 360
[Subtraction Property of Equality] Subtract 285 on both sides: ∠4 = 75

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3 years ago