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soldi70 [24.7K]
3 years ago
9

A scale on a map shows that 2.5 centimeters represents 15 kilometers

Mathematics
2 answers:
zaharov [31]3 years ago
4 0

Answer:

whats the answer?

Step-by-step explanation:

Leto [7]3 years ago
3 0

Answer:

105km

Step-by-step explanation:

2.5/15=17.5/x (set up as a proportion)

2.5x=262.5 (cross multiply)

x=105 (Divide)

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Answer:

An estimate

Step-by-step explanation:

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3 years ago
Suppose you are conducting a study to determine if women are better drivers than men. You send your survey to over 1000 students
julsineya [31]

Answer:

555.56

Step-by-step explanation:

Purpose of the study:  To determine if women are better drivers than men.

Survey or Opinion population:  1,000

You are experimenting on 9 out of a thousand opinions.

5 of these opinions are that women are better drivers

4 of these opinions are that women are not better drivers

You want to know the <em>sample</em> (full sample size is 9) <em>proportion</em> for women as better drivers; using the large sample method. This method is also called the asymptotic method.

This involves approximating the desired statistic, with just a small fraction of the population; in this case, 9/1000.

This approximation will get more and more accurate as sample size increases and you know that a larger sample size gives a better representation and interpretation of the population preference!

So using ratio, the sample proportion for women as the better drivers is given by:

5/9 x 1000   = 555.56 opinions

8 0
2 years ago
Select the best answer. About how much will a $459.95 LCD TV cost including the sales tax of 8.25%?
erma4kov [3.2K]
I used the Old Change New method and I crossed multiplied.
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Is there measurements for AB AND CD
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I don't understand it. Explain more.

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