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3 years ago

11

Complete the equation and tell which property you used for 16+31=31+

1 answer:

blagie [28]3 years ago

5 0

16. It's basically the problem you started with, but just reversed.

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How do you write 9.085 x 10-9 in standard form?

Levart [38]

Answer: 0.000000009085

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2 years ago

Find the radius of the circle whose equation is x^2 + y^2 = 4.

KATRIN_1 [288]

Answer:

Radius of the given circle is r = 2.

Step-by-step explanation:

Given equation of the circle is $x^2 + y^2 = 4$ .

Now we need to find the radius of the given circle $x^2 + y^2 = 4$ .

To find that let's compare with the formula of the circle with is $x^2 + y^2 = r^2$ , where r is the radius.

We get $r^2 = 4$

take square root of both sides.

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Hence radius of the given circle is r = 2.

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3 years ago

Read 2 more answers

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pantera1 [17]

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3 years ago

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o-na [289]

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Step-by-step explanation:

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