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slava [35]
3 years ago
12

HELPPPPPPP PLEASEEEEE !!!!

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
3 0

Answer:

4

Step-by-step explanation:

We know that all lengths in a rhombus are equal so we make the 2 equations equal to each other, then solve for x:

4x-6=5x-10

5x-4x=10-6

x=4

x=4

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A. 15

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Carlos is arranging books on shelves. He has 24 novels and 16 autobiographies. Each shelf will have the same numbers of novels a
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Carolina, with the intention of investing money in real estate, acquired a plot of land for R$ 350,000.00. Over four years, the
Bas_tet [7]

At the end of the analyzed period this plot of land will have the value as given by: Option D: 420,506.24

<h3>What is appreciation and deprecation?</h3>

Deprecation, also called devaluation, is the decrement in price of an asset. Appreciation is opposite of deprecation. This indicates increment in the price of the considered thing.

<h3>How to find the percentage from the total value?</h3>

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent that considered thing is of "a" is b%

Then since percent shows per 100 (since cent means 100), thus we will first divide the whole part in 100 parts and then we multiply it with b so that we collect b items per 100 items(that is exactly what b per cent means).

Thus, that thing in number is

\dfrac{a}{100} \times b

It is given that:

  • Initial price of the plot of land = $350,000
  • First year: 12% appreciation
  • Second year: 10% appreciation
  • Third year: 8% devaluation
  • Fourth year: 6% appreciation

Now, consider appreciation of an amount A by P%.

Then, we have:

Increased price = Initial price + P% of initial price

Increased price = A + \dfrac{A}{100} \times P = A \times \left(1 + \dfrac{P}{100} \right)

Similarly, depreciated price by P% of an amount A is:

Decreased price = A - \dfrac{A}{100} \times P = A \times \left(1 - \dfrac{P}{100} \right)

We've got: A = 350,000

After 1st year, which had 12% appreciation, we get:

A_1 =A(1 + 12/100) = A(1.12)\\
After 2nd year, 10% appreciation we get:

A_2 =A_1(1 + 10/100) = A_1(1.1) = A(1.12)(1.1)\\

After 3rd year, which had 8% devaluation effect on the price, we get:

A_3 = A_2(1 - 8/100) = A_2(1-0.08) = A_2(0.92) = A(1.12)(1.1)(0.92)

After 4th year,  which had 6% appreciation effect on the price, we get:A_4 = A_3(1 + 6/100) = A_4(1+0.06) = A_3(1.06) = A(1.12)(1.1)(0.92)(1.06)

Thus, the final effect on A is:

A \rightarrow A(1.12)(1.1)(0.92)(1.06) = A(1.2014464)\\\$350,000 \rightarrow 350000(1.2014464) = 420506.24\: \rm dollars

Thus, at the end of the analyzed period this plot of land will have the value as given by: Option D: 420,506.24

Learn more about percent here:

brainly.com/question/11549320

#SPJ1

4 0
3 years ago
X^2+x-12÷x^2+2x-8<br>how do i answer this
Helga [31]
X=8:2+(12:2):2[:1*x] =4
8 0
4 years ago
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