3 years ago

Help please I don't understand this at all i need the answer fast <3

Mathematics

1 answer:

Len [333]3 years ago

4 0

Answer:

-2 < 6

4 > -8

Step-by-step explanation:

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The general form of a circle is given as x^2 + y^2 + 4x - 12y + 4 = 0.

stepan [7]

If you can rewrite the formula as (x-a)² + (y-b)² = r², the center is at (a,b) and the radius is r.

If you work out this equation, and map it to the original, you will find that the +4x term hints that a = 2 (double product) and -12y hints that b=-6, and r=6.

So, the formula can be written as (x+2)² + (y-6)² = 6² and the center is at (-2,6) and the radius is 6.

7 0

3 years ago

Hey can you please help me posted picture of question

larisa [96]

$(5x - 2)^2 = 15$

Square root both sides:
$5x - 2 = \pm\sqrt{15}$

Add 2 to both sides:
$5x = pm\sqrt{15} + 2$

Divide both sides by 5:
$x = \dfrac{ \pm\sqrt{15} + 2}{5}$

Answers:
$x = \dfrac{ \sqrt{15} + 2}{5} \ or \ \dfrac{ - \sqrt{15} + 2}{5}$

Answer: (B) and (E)

5 0

3 years ago

Read 2 more answers

Question 7. Every day, Omar put the extra change from his pockets into a glass jar. After 30 weeks, he

FromTheMoon [43]

Answer:

$16

Step-by-step explanation:

He had $16 so he had spent all of it due to the question asked.

4 0

3 years ago

I hate this part I need help for 4 and 5 is it a b c or d