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ivolga24 [154]
3 years ago
11

How do you find domain and range

Mathematics
1 answer:
Fiesta28 [93]3 years ago
8 0
I’m not quite sure about domain but range is the difference between the two numbers; on a line graph the range would be the first number and the last if it is not continuous.
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Complete the square please.
Aleks04 [339]

Answer:

(x-3)^2 + (y+2)^2 = 9^2

Step-by-step explanation:

x^2 -6x+y^2+4y-68 = 0

Complete the square

x^2 -6x+y^2+4y-68+68 = 0+68

x^2 -6x+y^2+4y = 68

Find the term to add for x

-6 /2 = -3  -3^2 = 9

Find the term to add for y

4/2 =2  2^2 = 4

Add 9 and 4

x^2 -6x+9+y^2+4y+4 = 68+9+4

(x-3)^2 + (y+2)^2 = 81

(x-3)^2 + (y+2)^2 = 9^2

The standard form is

(x-h)^2 + (y-k)^2 = r^2 where (h,k) is the center and r is the radius

3 0
3 years ago
Need answers ASAP
KatRina [158]
Supplementary means they add up to 180, so you can write an equation:
3x + 2x - 25 = 180
5x - 25 = 180
+ 25
5x = 205
÷ 5
x = 41
I hope this helps!
8 0
3 years ago
A family has a day of 5 activities planned: shopping, picnic, hiking, swimming and movie. To make it more adventurous they decid
VARVARA [1.3K]
The answer is E i just took the test
3 0
2 years ago
If you start with Malvin’s age, take half of it, increase that result by 5, then divide by 3, and finally double that, you get 8
Kisachek [45]

Answer:

24 years old

Step-by-step explanation:

Let Malvin's age be x.

  • x / 2
  • x / 2 + 5 = 5x / 10  [ By taking the L.C.M.]
  • ( 5x / 10 ) * ( 1 / 3 ) = 5x / 30   [ Multiply with the reciprocal of 3 ]
  • ( 5x / 30 ) * 2 = 5x / 15

Now let's solve the equation,

5x / 15 = 8

       5x = 8 * 15

       5x = 120

         x = 120 / 5

         x = 24

Therefore, Malvin is 24 years old.

Hope yo liked the answer!!

If you found it helpful, please mark it as the Brainliest!!

3 0
3 years ago
What are the coordinates of the y-intercept? Y=3x+2<br><br> A.(0,2)<br> B.(2,0)
Schach [20]
The correct answer is A
8 0
3 years ago
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