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3 years ago

Which of the following shows the rational numbers in order from least to greatest

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

4 0

It would be a because percents are hundredths and it's an improper fraction, which means its more than one.

Answer: A

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5x + 5x + 2 + 6 equals 6x + 4 + 3x<br><br>plz show steps I will give you a thankyou

amid [387]

$5x + 5x + 2 + 6 = 6x + 4 + 3x \\ 10x + 8 = 9x + 4 \\ 10x - 9x = 4 - 8 \\ x = - 4$

HOPE THIS WILL HELP YOU

3 0

2 years ago

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Which of the ordered pairs are functions

kap26 [50]

Answer:

Step-by-step explanation:

4 0

2 years ago

Find the inequality represented by the graph.

Mkey [24]

Answer:

y > 4x - 2

Step-by-step explanation:

y-intercept is at -2

slope is rise by 4, run by 1

if you don't know where to shade, select a point and plug it in to see if T or F

example (0, 0)

is 0 > 4(0) - 2

is 0 > -2 True, so shade to the left because this is where (0,0) is

3 0

2 years ago

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A random sample of 864 births in a state included 426 boys. Construct a 95% confidence interval estimate of the proportion of bo

oksian1 [2.3K]

Using the z-distribution, it is found that the 95% confidence interval is (0.46, 0.526), and it does not provide strong evidence against that belief.

<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 95% confidence level, hence $\alpha = 0.95$ , z is the value of Z that has a p-value of $\frac{1+0.95}{2} = 0.975$ , so the critical value is z = 1.96.

We have that a random sample of 864 births in a state included 426 boys, hence the parameters are given by:

$n = 864, \pi = \frac{426}{864} = 0.493$

Then, the bounds of the interval are given by:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.493 - 1.96\sqrt{\frac{0.493(0.507)}{864}} = 0.46$

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.493 + 1.96\sqrt{\frac{0.493(0.507)}{864}} = 0.526$

The 95% confidence interval estimate of the proportion of boys in all births is (0.46, 0.526). Since the interval contains 0.506, it does not provide strong evidence against that belief.

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

4 0

2 years ago

Please help<br> Me<br> Quick

Mrac [35]

Answer:

Step-by-step explanation:

First figure out the equation:

We know this is a linear equation because it appears to have a constant slope

Its y-intercept is where it passes in the y-axis, so it's -8

Furthermore, you should also figure out the slope. Notice that the y value increments by 3 every 1 x-value. Rise/Run is 3/1 = 3. Thus, the slope is 3

So your equation is g(x) = 3x - 8

Now we find our inverse function, which is just swapping the x-y values.

Thus, inverse of g(x) ==> y = 3x - 8 ==> x = 3y - 8 ==> x+8 = 3y ==> $\frac{x+8}{3}$

Plug in 7 for x and you get 5

5 0

2 years ago