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3 years ago

What is the standard form of the equation of a circle given by x2 + y2 – 18x + 8y + 5 = 0?

Mathematics

2 answers:

mario62 [17]3 years ago

7 0

The guy who answered is right but the radius is 92

avanturin [10]3 years ago

3 0

X²-18x+81 + y²+8y+16 = -5+81+16=92
(x-9)² + (y+4)² = (2✓23)²

circle centered at (9,-4) with radius 2✓23

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What does 3y-y equal?

Novosadov [1.4K]

Answer:

$2y$

Step-by-step explanation:

You need to subtract the coefficients to get the answer.

Let's look at the equation...

$3y-y$

The coefficient is 3 and 1

So, you do 3-1

You get 2

So...

$3y-y=2y$

4 0

3 years ago

Write the following question expression in simplest binomial form 4(3x-2)-2(4x+5)

Oduvanchick [21]

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$12x-8-8x-10
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3 years ago

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jonny [76]

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3 years ago

Read 2 more answers

37 + 15r > or equal to 127, what is the answer?

Tpy6a [65]

Answer:

r ≥ 6

Step-by-step explanation:

37+15r ≥ 127

-37 -37 37 cancels and you're left with 15r

15r ≥ 90

/ 15 /15 15 cancels and you're left with r

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4 0

3 years ago

Explain 15 is not a prime factor

MissTica

15 is not a prime factor as it is divided by 1,3,5 and 15.

Additional information:

Prime numbers are those numbers which can only be divided by itself .for instance:1,2,3,5,7 ,11,13 etc.

Composite number s are those numbers which can be also divided by other numbers,For instance: 4,6,8,10 etc

Hope it helps....

7 0

3 years ago