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masha68 [24]
3 years ago
8

Drew's van is 200 centimeters tall. The height limit for a bridge is 3

Mathematics
1 answer:
horrorfan [7]3 years ago
4 0

Answer:

1. 100cm

2. 300.1cm

3. 200cm

4. 400cm

5. 299.00cm

Step-by-step explanation:

300-200=100

300+0.01=301

300-100=200

300+100=400

300-0.01=299.99

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A 99% confidence interval for the difference between two proportions was estimated at 0.11, 0.39. Based on this, we can conclude
sladkih [1.3K]

Answer:

\hat p_1 -\hat p_2 \pm z_{\alpha/2} SE

And for this case the confidence interval is given by:

0.11 \leq p_1 -p_2 \leq 0.39

Since the confidenc einterval not contains the value 0 we can conclude that we have significant difference between the two population proportion of interest 1% of significance given. So then we can't conclude that the two proportions are equal

Step-by-step explanation:

Let p1 and p2 the population proportions of interest and let \hat p_1 and \hat p_2 the estimators for the proportions we know that the confidence interval for the difference of proportions is given by this formula:

\hat p_1 -\hat p_2 \pm z_{\alpha/2} SE

And for this case the confidence interval is given by:

0.11 \leq p_1 -p_2 \leq 0.39

Since the confidence interval not contains the value 0 we can conclude that we have significant difference between the two population proportion of interest 1% of significance given. So then we can't conclude that the two proportions are equal

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3 years ago
Match each system of equations to its graph. y = 2x + 1 y = x + 2 y = 3x y = x + 3 y = 2x − 2 y = x − 2 y = 2x + 3 y = x + 5 y =
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The matchup are:

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  • (2nd picture): y=4x+2 and y =3x+2
  • (3rd picture): y=2x+1 and y =x+2
  • (4th picture): 3x and x+3

<h3>What does the graph of an equation shows?</h3>

The graph of the linear equation is known to be one that often brings or  set the  points that can be found on the coordinate plane and it is one that shows all the solutions to the equation.

Note that when  all variables stands for real numbers, a person can be able to use graph to show the equation and this is often done through plotting the points to show a pattern and then link up the points to have all the points.

From the above, the pictures that have all the points as shown on the graph are:

  • (1st picture): y=2x+3 and y=x+5
  • (2nd picture): y=4x+2 and y =3x+2
  • (3rd picture): y=2x+1 and y =x+2
  • (4th picture): 3x and x+3

Learn more about equations  from

brainly.com/question/2972832

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Which of the following terms correctly describe the object below?
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