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Simora [160]
3 years ago
12

The circle below is centered at the origin and has a radius of 5 what is it’s equation

Mathematics
2 answers:
eduard3 years ago
6 0

Answer:

x^2 + y^2 = 5^2

or x^2 +y^2 = 25

Step-by-step explanation:

The equation of a circle is usually written in the form

(x-h)^2 + (y-k)^2 = r^2

Where (h,k) is the center and r is the radius

The center is at the origin so (h,k) = (0,0) and  the radius is 5 so r=5

x^2 + y^2 = 5^2

or x^2 +y^2 = 25

Lelechka [254]3 years ago
4 0

<em>Answer:</em>

<em>x² + y² = 25</em>

<em>Step-by-step explanation:</em>

<em>(x - h)² + (y - k)² = r²</em>

<em>Center ( h⁰, k⁰)  </em>

<em>radius = 5/r</em>

<em>(x - 0)² + (y - 0)² = 5² ⇒</em><em> x² + y² = 25</em>

<em></em>

<em>This will be your answer : </em><em><u>x² + y² = 25</u></em>

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Let us determine the product of 438 and 17 by partial products.

Consider 438 = 400+30+8

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So, 438 \times 17 = (400+30+8) \times (10+7)

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Because she should have expressed 17 as (10+7), then if she multiplied (438 by 10) and (438 by 7). And, then added the results.Then her answer would be correct.

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Step-by-step explanation:

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