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Leni [432]
2 years ago
7

Which equations have the same value of x as Two-thirds (6 x + 12) = negative 24? Select two options.

Mathematics
2 answers:
In-s [12.5K]2 years ago
6 0

Answer:

2/3(6x+12) = -24 can be simplified to

4x+8 = -24 so the first answer is right and if you further simplify it by subtracting the 8 you get

4x = -32

Step-by-step explanation:

sammy [17]2 years ago
3 0

Answer:

A.)  D.)

Step-by-step explanation:

edge 2021

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4 pounds of books because 60 oz only equals 3.75 pounds.
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3 years ago
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Out of 100 people sampled, 42 had kids. Based on this, construct a 99% confidence interval for the true population proportion of
maksim [4K]

Answer:

The 99% confidence interval for the true population proportion of people with kids is (0.293, 0.547).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

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

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

Out of 100 people sampled, 42 had kids.

This means that n = 100, \pi = \frac{42}{100} = 0.42

99% confidence level

So \alpha = 0.01, z is the value of Z that has a p-value of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.  

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 - 2.575\sqrt{\frac{0.42*0.58}{100}} = 0.293

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 + 2.575\sqrt{\frac{0.42*0.58}{100}} = 0.547

The 99% confidence interval for the true population proportion of people with kids is (0.293, 0.547).

7 0
2 years ago
$27.99 shoes ; 7 1/2 tax find the total cost or sale price to the nearest cent
Vinvika [58]
27.99x.075= 2.09925 or 2.10 Rounded
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5 0
2 years ago
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Solve for the following equation<br><br> 9/4x + 1/3 = 5/2x
marshall27 [118]

Answer:

3/4

Step-by-step explanation:

plug values in for x till you get it right

7 0
2 years ago
Can someone help me please
natima [27]

Answer:

(-4,2)

Step-by-step explanation:

The line going horizontal is the X-axis. And they line going up and down is the y-axis. The way you write the location of a point is (X,Y). Hope this helps!!

4 0
3 years ago
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