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Darya [45]
3 years ago
7

Help me on question 6

Mathematics
2 answers:
Naily [24]3 years ago
7 0
I think B is the correct answer
larisa [96]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

The line gets smaller left to right so that means the line is negative. Since the line is negative x must be negative. The line is also touching the y-axis at 6. We are going to use the formula y=mx+b. So our equation is going to be y=6-x.

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Twenty-five percent of the students had forgotten the year of the Declaration of Independence. If 57 students had not forgotten,
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76,

Step-by-step explanation:

If you divide 57 by 3, you get 19. If you times 19 by 4 that is the total number of students there were in all.

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3 years ago
What is 270° converted to radians?<br><br> A.) pi/6<br> B.) 3/2<br> C.) 3pi/2<br> D.) 3
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the answer C) 3pi/2 semoga membantu

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3 years ago
Simplify 0.5 (-77.8-11)/ -4 show all your steps
Mekhanik [1.2K]

Answer:

11.1

Step-by-step explanation:

0.5(−77.8−11)/−4

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3 years ago
Order the sides of each triangle from shortest to longest.
Svetradugi [14.3K]

Answer:

A.

Step-by-step explanation:

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7 0
3 years ago
Are you getting enough sleep? Many kids aren’t getting enough sleep, and TV might be part of the problem. Among 2002 randomly se
Naya [18.7K]

Using the z-distribution, it is found that the lower bound of the 99% confidence interval is given by:

d. 68.39%.

<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which:

  • \pi is the sample proportion.
  • z is the critical value.
  • n is the sample size.

In this problem, we have a 99% confidence level, hence\alpha = 0.99, z is the value of Z that has a p-value of \frac{1+0.99}{2} = 0.995, so the critical value is z = 2.575.

The sample size and estimate are given by:

n = 2002, \pi = 0.71

Hence, the lower bound is given by:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.71 - 2.575\sqrt{\frac{0.71(0.29)}{2002}} = 0.6839

Hence the lower bound is of 68.39%, which means that option D is correct.

More can be learned about the z-distribution at brainly.com/question/25890103

#SPJ1

4 0
2 years ago
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