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77julia77 [94]
4 years ago
10

Convert 2.16161616 to a rational number in the form of a/b

Mathematics
1 answer:
Phoenix [80]4 years ago
4 0

Answer:

\frac{214}{99}

Step-by-step explanation:

We require to create 2 equations with the repeating digits after the decimal point. Then by subtracting them we eliminate the repeating part.

let x = 2.1616.... → (1)) ← multiply both sides by 100

100x = 216.1616..... → (2)

Subtract (1) from (2)

99x = 214 ( divide both sides by 99 )

x = \frac{214}{99}

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Zarrin [17]

If a=4:

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<h2>A=4a (formula)</h2>

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7 0
3 years ago
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(50 points) A diameter of a circle has endpoints P(-10, -2) and Q(4,6)
Gala2k [10]

Answer:

Step-by-step explanation:

The center of the circle is the midpoint of the two end points of the diameter.

Formula

Center = (x2 + x1)/2 , (y2 + y1)/2

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So far what you have is

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Now you have to find the radius.

You can use either of the endpoints to find the radius.

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Ultimate formula is

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(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

Please, please give brainliest, it would be greatly appreciated, I only need one more before I advance, thanks!

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