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2 years ago

Prove that the two circles shown below are similar.

Mathematics

1 answer:

iren2701 [21]2 years ago

4 0

Circle X is translated 6 units right, 6 units down and then dilated by a scale factor of 1/2 to form circle Y,

<h3>What are similar figures?</h3>

Two figures are said to be similar if they have the same shape and the ratio of their corresponding sides are in the same proportion.

<em>Translation, reflection, rotation and dilation</em> always produces similar shapes, therefore all circles are similar.

Circle X is translated 6 units right, 6 units down and then dilated by a scale factor of 1/2 to form circle Y,

Find out more on similar figures at: brainly.com/question/2644832

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Two wheels rolled simultaneously. The radius of the smaller wheel is r feet and the radius of the larger wheel is 2r feet If bot

Mnenie [13.5K]

The smaller wheel rolled
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The larger wheel rolled
.. 4*2π*2r = 16πr . . feet

The larger wheel traveled (16πr -8πr) = 8πr feet farther than the small wheel.

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3 years ago

Ariel's garden is planted in the shape of a square and has an area of 81 square feet. If she plans to put a fence around the per

zaharov [31]

9x9=81
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3 years ago

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3 years ago

Jeanette can walk 1 km in 11 minutes. At the same rate, how far can she walk in 55 minutes?

gladu [14]

11 minutes = 1 km

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3 years ago

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A leprechaun places a magic penny under a girl's pillow. The next night there are 2 magic pennies under her pillow. The followi

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Answer:

Step-by-step explanation:

Since the pennies need to be kept under the pillow in order to be doubled, we're really looking for the day the girl will wake up with 5 billion pennies under her pillow.

The general formula of that geometric sequence will be: t = 1 + 2^(n-1)

We need to find the value of n when t will be over 5,000,000,000.

So, the equation becomes:

5,000,000,001 = 1 + 2^(n-1)

$2^{n-1}= 5,000,000,001$

$log(2^{n-1}) = log(5,000,000,000)$

(n-1) * log(2) = log(5,000,000,000)

n-1 = log(5,000,000,000) / log(2)

n-1 = 22.25

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Since it has to be complete days, and we have to reach over 5 billion, then we round it up to 34.

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3 years ago