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zalisa [80]
3 years ago
12

Find the center and radius of (x-4)2 + (y+2)2 = 32

Mathematics
1 answer:
Trava [24]3 years ago
6 0

Step-by-step explanation:

General equation of the circle with center (h,k) and radius r,

(x-h)²+(y-k)²=r²

Therefore, on comparison

center ( 4, -2)

radius r= 4√2

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The first three steps of completing the square to solve the quadratic equation x^2 +4x-6=0, are shown below
GarryVolchara [31]

Answer: x=sqrt10-2, x=-sqrt10-2

Step-by-step explanation: square root both sides of the equation.

x+2=sqrt10,-sqrt10

subtract 2 from both sides of the equation

x=sqrt10-2, -sqrt10-2

5 0
3 years ago
Please help with problem !!!
True [87]

Answer:

Step-by-step explanation:

y = 2x^2 - 12x +19                Put brackets around the  1st 2 terms. Take 2

y = 2(x^2 - 6x ) + 19             Take 1/2 of the 6 square it and add inside the brackets

y = 2(x^2 - 6 + (6/2)^2) +19 Subtract 2 *9 from the 19. Express 1st 3 terms as ( )^2

y = 2(x- 3)^2 + 19 - 18

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

Answers

y intercept when x = 0 is y = 19

axis of symmetry x = 3

vertex: (3,1)

Graph

graph: red

axis of symmetry: blue

y intercept, vertex: green

7 0
3 years ago
What is the answer and how to solve it and give me the right answer
Keith_Richards [23]

Answer:

2/10 or in its simplest form 1/5

Step-by-step explanation:

there is 2 grey marbles so 2/10 (there is 10 marbles altogether)

so half of 2 is 1 and half of 10 is 5

so the answer is 1/5

7 0
3 years ago
Read 2 more answers
There were three concerts in Lakeside. The first concert had 953 people in the attendance. The second and third concerts each ha
earnstyle [38]
953 + 1100 + 1100 = 3153
3153 / 3 = 1051
3 0
3 years ago
Asap 13 points and show work
Mila [183]
The answer would be 10 it is cheaper you must divide here is my work  


<span>You divide unit per price = 10/$6.75 = $1.48 12/$7.25 = $1.65 Which means 10 units are cheaper</span>
6 0
3 years ago
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