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Alex Ar [27]
3 years ago
14

Maths

Mathematics
1 answer:
tamaranim1 [39]3 years ago
5 0

Answer:

  • 12 : 1

Step-by-step explanation:

<u>The volume of a cylinder:</u>

  • V = πr²h, where r-radius, h-height

<u>New dimensions of the cake:</u>

  • r1  → 2r and h1→ 3h

<u>The volume of the bigger cake:</u>

  • V1 = π*(2r)²*(3h) = 12*πr²h = 12V
  • V1/V = 12

The ration of volumes is 12 : 1

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Read 2 more answers
A new car is purchased for 24600 dollars. The value of the car depreciates at 5.5% per year. To the nearest year, how long will
boyakko [2]

Answer:

The number of years until the value of the car is 11300 dollars is 9 years.

Step-by-step explanation:

This can be calculated using the following formula:

Value of the Car = Purchase cost - (Annual depreciation expenses * N) ........ (1)

Where;

N = Number of years until the value of the car is 11300 dollars

Purchase cost = $24,600

Annual depreciation rate = 5.5%

Annual depreciation expenses = $24,600 * 5.5% = $1,353

Value of the car = $11,300

Substituting the value into equation (1) and solve for N, we have:

$11,300 = $24,000 - ($1,353 * N)

$1,353 * N = $24,000 - $11,300

$1,353 * N = $12,700

N = $12,700 / $1,353

N = 9.38654841093865

Rounding to the nearest year as required by the question, we have:

N = 9

Therefore, the number of years until the value of the car is 11300 dollars is 9 years.

Step-by-step explanation:

4 0
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