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lord [1]
3 years ago
13

What is the equation of a circle with center (6,4) that passes through the coordinate (2,1)?

Mathematics
2 answers:
Hoochie [10]3 years ago
8 0
First find the radius of circle by finding the length from center to the given point

well we  need the square of radius  r^2 = (6-2)^2 + (4-1)^2 = 25

equation of circle is (x - a)^2 + (y - b)^2 = r^2  where (a,b) is the center
so our circle is  
       (x - 6)^2 + ( y - 4)^2 = 25
gizmo_the_mogwai [7]3 years ago
7 0
The answer is going to be <span>(2,2) </span>
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What is the equation of a line that passes through points A<br> (1, 2) and B (4, 3)?
Tpy6a [65]

Answer:

3y=x+5

Step-by-step explanation:

The slope of the line is (1/3). The equation of the line is y=(1/3)x+5/3 or 3y=x+5

8 0
3 years ago
Please, help! Pretty urgent!
jekas [21]

Answer:

1. As definition, in a function, the set of all possible inputs or possible x values is called the domain.

=> Option 2 is correct.

2. As definition, in a function, the set of all possible outputs or possible y values is called the range.

=> Option 3 is correct.

3. You pay a fixed amount of 70$ and 3$ for each movie.

=> A function that models the total cost: y = 70 + 3x

=> Option 1 is correct

4. Similar to the 3rd, you pay a fixed amount of 5$ to enter and 2$ for each ride.

=> A function that models the total cost: y = 5 + 2x

=> Option 3 is correct.

5.  The average rate of change (R) of f(x) = x2 + 1 from x = 0 to x = 3 is actually the rate of change of line passes (0, 1) and (3, 10) as shown in picture.

=> R = (10 - 1)/(3 - 0) = 9/3 = 3

=> Option 1 is correct.

6. As property of vertical line:  75 = x - 10 + 20

=> x = 75 + 10 - 20 = 65 deg

As property of complement angles: 75 + y = 180

=> y = 180 - 75 = 105 deg

=> Option 2 is correct.

7. Yes, the two triangles are congruent (Side-Angle-Side case) with two sides are equal and the pair of angles created by those pair of 2 sides are also equal.

Hope this helps!

:)

4 0
3 years ago
Median of 12,13,19,16,32,15,13
Katena32 [7]
We will first put this data in ascending order
12,13,13,15,16,19,32
We then center in on the middle number, we first can “mark out” the highest and lowest number and repeat until we have one number left

12,13,13,15,16,19,32

13,13,15,16,19

13,15,16

The median is 15
3 0
2 years ago
Read 2 more answers
A shoe store is having a sale on sneakers. You want to buy a pair of sneakers
creativ13 [48]

Answer:

Hi there!

Your answer is:

$78

Step-by-step explanation:

To set up this equation:

75+ (.04× 75)

Change 4% into decimal format

75+ ( 3)

78

Hope this helps!

7 0
3 years ago
0=x^2-4x+3 how many roots does this equation have
mars1129 [50]

Answer:

No complex roots; 3 real roots

Step-by-step explanation:

If a third order polynomial has any complex roots, then as a rule it has 1 real root and 2 complex roots.  In this particular case, the polynomial has three real roots, as can be determined by graphing the function.  The graph crosses the x-axis in 3 places.

5 0
4 years ago
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