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4 years ago

What is the length of the line segment PQ on the coordinate grid?

Mathematics

1 answer:

Serggg [28]4 years ago

3 0

Hello!

From looking at the graph, I believe that the length of the line segment must be C, 30 units. The length of the line must be 30 because on the graph, you can see that the line from 0 to 20 would have a length of 20. Now if you look at the line from -10 to 0, the length of that line would be 10. Now add the lengths of the lines 20 and 10 together. Once you've done that the measure of the line segment will be 30.

I hope this helps!

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The coordinates of point M have the same sign. Which answer choice includes all the quadrants that could contain the point?

Sergeeva-Olga [200]

Answer:

Quadrants I and III

Step-by-step explanation:

Its just the opposite sides but negatives and postitives

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2 years ago

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An environmentalist wants to find out the fraction of oil tankers that have spills each month. Suppose a sample of 836 tankers i

Alexxandr [17]

Answer:

The 99% confidence interval for the population proportion of oil tankers that have spills each month.

(0.6489 , 0.7311)

Step-by-step explanation:

Step(i):-

Given sample size 'n' = 836

Suppose a sample of 836 tankers is drawn. Of these ships, 577 did not have spills.

sample proportion

$p^{-} = \frac{x}{n} = \frac{577}{836} = 0.690$

The 99% confidence interval for the population proportion is determined by

$(p^{-} - Z_{0.01} \sqrt{\frac{p(1-p)}{n} } , p^{-} + Z_{0.01} \sqrt{\frac{p(1-p)}{n} })$

Step(ii):-

The Z- value = 2.576

$(0.690 - 2.576 \sqrt{\frac{0.690(1-0.690)}{836} } , 0.690 + 2.576 \sqrt{\frac{0.690(1-0.690)}{836} })$

On calculation , we get

(0.690 - 0.0411 , 0.690 + 0.0411)

(0.6489 , 0.7311)

Final answer:-

The 99% confidence interval for the population proportion of oil tankers that have spills each month.

(0.6489 , 0.7311)

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4 years ago

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Answer:

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Step-by-step explanation:

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Answer:

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3 years ago

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ivolga24 [154]

Answer:

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4 + 3 + 3 + 2 = 12

Therefore, the number of ways the event can occur is 12 ways.

Now, in the favorable outcomes of the event, it would come depending on what color the marble would be, whether it be red, blue, yellow or green.

In each color, the number of the favorable outcomes of the event would be the quantity of each marble, that is, 4 for red, 3 for blue, 3 for yellow and 2 for green.

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If you flip a penny, there are 2 possible outcomes.

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1/5

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the 1 is how many times he rolled a 1

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The favorable outcome is What Can Happen

Step-by-step explanation:

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3 years ago