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oksano4ka [1.4K]
3 years ago
5

The book fair sold 60% of the books

Mathematics
1 answer:
natka813 [3]3 years ago
6 0

Answer:

120 Books

Step-by-step explanation:

60% of 120 is 72

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Which of the following segments is a radius of OA?
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Answer:

A is the correct answer

Step-by-step explanation:

The radius is half of the diameter.  So it has to start from point 'A'.  The only choice using point A is TA, so choice A is the correct choice

Other radii could be AG, AP, or AR, but none of those choices are listed.

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What’s the slope of a line perpendicular to a line through points, <br> E(5,7), F(3,1)
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-1/3 is the slope perpendicular

Step-by-step explanation:

When we have 2 points, we can use the formula

m = (y2-y1)/(x2-x1) to find the slope

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A. What is the circumference of the
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Answer:

Step-by-step explanation:

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b. Required percentage = (94.2) * 100 / (4*30)

= 78.5%.

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3 years ago
Is the following situation proportional? Justify your answer. At an arcade, Aisha pays $2 for each game she plays.
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Yes, the situation as described is proportional.

Discussion:

According to the question:

  • We are required to determine if the situation described in the question is proportional.

Since, Aisha pays $2 for each game she plays at the arcade.

In essence, the total amount of money paid by Aisha will depend on the number of games she plays. On this note, the situation is proportional.

Read more on proportional:

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when comparing condition means in an experiment with more than two conditions, why should you use an analysis of variance instea
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The we should use ANOVA instead of several t-tests to evaluate the differences in the mean of three or more groups.

<h3>What is t test?</h3>

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<h3>Explain ANOVA test:</h3>

The ANOVA test permits an examination of multiple gatherings simultaneously to decide if a relationship exists between them.

<h3 /><h3>According to question:</h3>

We ought to utilize ANOVA rather than a few t-tests to assess the distinctions in the mean of at least three gatherings on the grounds that without fail, we direct a t-test (between two gatherings) there is some opportunity that a Kind I blunder is being made while doing the test.

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