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sveta [45]
3 years ago
5

a scale drawing of a building needs to be made using the scale 1 in=170 ft.how tall will the building in the scale be if the bui

lding is 680 ft.tall?
Mathematics
1 answer:
ikadub [295]3 years ago
3 0
Hi there! The answer is 4 inches.

If 1 inch on scale equals 170 feet in reality, 680 feet in reality equals 680 / 170 = 4 inches on scale (since the proportions don't change).
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mariarad [96]

Answer:

f(10) = 1147.25

Step-by-step explanation:

Given

f(-1.5) = 26

f(5.5) = 7

Required

f(10)

An exponential function is represented as:

f(x) = ab^x

f(-1.5) = 26 impleies that:

26 = ab^{-1.5} --- (1)

f(5.5) = 7 implies that

7 = ab^{5.5} --- (2)

Divide (2) by (1)

26/7 = ab^{-1.5}/ab^{5.5}

3.71429 = b^{-1.5+5.5}

3.71429 = b^{4}

Take 4th root

b = 1.39

Substitute b = 1.39 in 26 = ab^{-1.5}

26 = a * 1.39^{-1.5}

26 = a * 0.6102

Solve for (a)

a = 26/0.6102

a = 42.61

f(10) is calculated as:

f(10) = ab^{10}

f(10) = 42.61 * 1.39^{10}

f(10) = 1147.25

3 0
3 years ago
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rosijanka [135]
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4 0
2 years ago
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Answer: 82

Step-by-step explanation:

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3 years ago
12x(x+2)−5(2x−1)<br><br> find the equation
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Perform the indicated multiplications...

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VladimirAG [237]

Answer:

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Step-by-step explanation:

The given function is

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Therefore, the domain of this function is all real numbers more than zero.

The image attached shows the graph of this function, there you can notice its domain restriction.

So, the right answer is the first choice: x greater than 0.

5 0
3 years ago
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