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MrMuchimi
3 years ago
9

The mayor of a large U.S. city is interested in addressing complaints from many property owners regarding recent property assess

ments. Many people feel that they are being overtaxed and that their assessments are too high. To study this issue, the mayor plans to hire consultants to randomly select homes in the city and have these homes independently assessed for value. However, she is concerned that the cost of sampling will be very high since the city is spread out over a wide geographical area. To potentially reduce the cost of sampling, which of the following statistical sampling techniques should be applied?
Mathematics
1 answer:
yaroslaw [1]3 years ago
7 0

In order to reduce the cost of sampling, the

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Urgent help ! similar figures use the similarity relationship to find the indicated value
masya89 [10]

Answer:

FE = 28 and YZ = 28

Step-by-step explanation:

In similar triangles the ratios of corresponding sides are equal.

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\frac{BC}{FG} = \frac{BD}{FE} , substitute values

\frac{39}{4x+2} = \frac{42}{5x-2} ( cross- multiply )

39(5x - 2) = 42(4x + 2) ← distribute parenthesis on both sides

195x - 78 = 168x + 84 ( subtract 168x from both sides )

27x - 78 = 84 ( add 78 to both sides )

27x = 162 ( divide both sides by 27 )

x = 6

Thus

FE = 5x - 2 = 5(6) - 2 = 30 - 2 = 28

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\frac{ST}{SZ} = \frac{RT}{YZ} , substitute values

\frac{40}{35} = \frac{3x-7}{2x+2} ( cross- multiply )

35(3x - 7) = 40(2x + 2) ← distribute parenthesis on both sides

105x - 245 = 80x + 80 ( subtract 80x from both sides )

25x - 245 = 80 ( add 245 to both sides )

25x = 325 ( divide both sides by 25 )

x = 13

Thus

YZ = 2x + 2 = 2(13) + 2 = 26 + 2 = 28

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3 years ago
You have a coupon for 10% off the sale price of a surfboard. Which is the better buy? Explain your reasoning.
labwork [276]

Answer:

Answer your own question.

Step-by-step explanation:

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2 years ago
Expand and simplify 2(5x + 3) - 2(2x - 3)
notka56 [123]

Answer: It is 6x+12

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3 years ago
Help help help help help help help help pls​
Arlecino [84]

Answer:

x = 13

Step-by-step explanation:

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B7%20%7D%20%20%2B%20%20%5Cfrac%7Bx%7D%7B2%7D%20%20%3D%202%20-%20%20%5Cfrac%
uysha [10]

For this case we must solve the following equation:

\frac {5} {7} + \frac {x} {2} = 2- \frac {x} {7}

So, we have:

\frac {10 + 7x} {14} = \frac {14-x} {7}\\7 (10 + 7x) = 14 (14-x)

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We subtract 70 to both sides of the equation:

63x = 196-70\\63x = 126\\x = \frac {126} {63}\\x = 2

So, the solution is: x = 2

Answer:

x = 2

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3 years ago
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