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Andreas93 [3]
2 years ago
8

Investors buy a studio apartment for $120000 . Of this​ amount, they have a down payment of 12000 . Their down payment is what p

ercent of the purchase​ price? What percent of the purchase price would a ​$48000 down payment​ be?
Mathematics
1 answer:
Nitella [24]2 years ago
5 0

well, 120,000 has 4 zeros and 12,000 has 3 zeros, so if we divide 120,000 by 10 we get 12,000, just to make it short, 12,000 is one tenth of 120,000 and thus the 10%.

now, 48,000, we know that 120,000 is the 100%, what is 48,000 in percentage off of it?

\begin{array}{ccll} amount&\%\\ \cline{1-2} 120000&100\\ 48000&x \end{array}\implies \cfrac{120000}{48000}=\cfrac{100}{x}\implies \cfrac{5}{2}=\cfrac{100}{x} \\\\\\ 5x=200\implies x=\cfrac{200}{5}\implies x=40

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Answer:

The zeros of the function are;

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Step-by-step explanation:

The zeroes of the function simply imply that we find the values of x for which the corresponding value of y is 0.

We let y be 0 in the given equation;

y = x^3 - 2x^2 + x

x^3 - 2x^2 + x = 0

We factor out x since x appears in each term on the Left Hand Side;

x ( x^2 - 2x + 1) = 0

This implies that either;

x = 0 or

x^2 - 2x + 1 = 0

We can factorize the equation on the Left Hand Side by determining two numbers whose product is 1 and whose sum is -2. The two numbers by trial and error are found to be -1 and -1. We then replace the middle term by these two numbers;

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2 years ago
Sighting the top of a building, a surveyor measured the angle of elevation to be 60 degrees. The measurement is taken 200 feet f
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This is a 30-60-90 triangle
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200√3≈346.41

the answer is 346.41 feet

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