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garri49 [273]
3 years ago
6

Find the area of a circle with the given equation. (x-7)2+(y + 9)2 =137

Mathematics
1 answer:
Korolek [52]3 years ago
7 0

Answer:  137π

The usual formula for a circle centered at (a,b), with radius r,

(x - a)² + (y - b)² = r²

The area of the circle is πr², so 137π

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A bike is bought for $1200 and sold 10 months later for $940.
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Value

Depreciation is defined as the reduction in value of an asset over time. In this case, value reduction is due to wear and tear of an equipment (bicycle).

a. The depreciation value would simply be the difference in initial and salvage value divided by time in years.

Depreciation = (Initial value – Salvage value) / Number of years

b. Substituting the given values into the equation where:

Initial value = $1200

Salvage value = $940

Number of years = 10 months = 10/12 years

Calculating:

Depreciation = ($1200 - $940) / (10/12 years)

Depreciation = $312 / year

or

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Step-by-step explanation:

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What are the 1st and 3rd quartiles?<br> what is the interquartile range?
FrozenT [24]

Answer:

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The third is 8

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Step-by-step explanation:

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Everything before 7 is the lower percentile of the range.

The firsr quartile is the median of the lower percentile.

The lower list is:

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The process for finding the third quartile is the same except the list is the higher percentile which is the list of numbers above the median.

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