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slamgirl [31]
3 years ago
15

What is the radius of the circle: (x+1)^2+(y-12)^2=25

Mathematics
2 answers:
Flauer [41]3 years ago
7 0
Radius= 5 radius=5 radius= 5 radius= 5
lidiya [134]3 years ago
4 0

Answer:

radius = 5

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here r² = 25 ( take the square root of both sides )

r = \sqrt{25} = 5

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Y= 1/3x-9
notka56 [123]

Answer:

y=3x+28

Step-by-step explanation:

so a line perpendicular to one with a slope of 1/3 would have a slope of 3/1 which is just 3

so your line would be y=3x+b

to find b you just plug in the coordinates of the point that you want it to pass through into x and y. Remember that points are written as (x,y)

10=3x-6+b

10=-18+b

28= b

the equation is y=3x+28

6 0
3 years ago
Which equation is equivalent to 4x + y=12? A.y=-4x-32 B.y=-4x+12 c.y=4x+12 D.y=4x-3
Rama09 [41]
The answer is <span>y=-4x+12 because they just moved the 4x

</span>
6 0
4 years ago
Read 2 more answers
Which of the following is equal to 393,500? 0.3935 × 10 -6 39.35 × 10 -4 3.935 × 10 -5 3.935 × 10 5
SCORPION-xisa [38]

Answer:

No answer is equal to 393,500

Step-by-step explanation:

You can try to solve each question.

0.3935 × 10 -6 = -2.065

39.35 × 10 -4 = 389.5

3.935 × 10 -5 = 34.35

3.935 × 10 +5 = 44.35

None of these equal to 393,500

(Maybe I am getting things wrong I am not in a smart mood today)

4 0
3 years ago
The Perimeter of a rectangle is 36. If there's 5n + 3 and 1/4n + 2, what's the value of n?
seropon [69]
Perimeter: 36

5n + 3 = 36
5 · 6.6 + 3 = 36

N = 6.6
------------------------------------------
Perimeter: 36

1/4n + 2 = 36
1/4 · 136 + 2 = 36

N = 136

Hopefully i understood the question correctly :) Hope this helps
5 0
3 years ago
67% as a fraction in simplest form
CaHeK987 [17]
It's 67/100 because a percent is out of 100 which is already simplified
6 0
3 years ago
Read 2 more answers
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