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3 years ago

If a rope is 36 feet long and cut into 8 sections what is the length in feet of each section

Mathematics

2 answers:

Assoli18 [71]3 years ago

7 0

Answer:

Each section is 4.5 feet long.

Step-by-step explanation:

We divide 36 feet by 8.

36 / 8 = 4.5 feet.

tigry1 [53]3 years ago

3 0

Answer:

The length of feet in each section is 4 4/8 which is then reduced to 4 1/2

Step-by-step explanation:

In order to get the answer, you will divided 36 by 8. When you divide, you then get 4 4/8 which is then reduced to 4 1/2. Hope this helps! :)

<h2>CloutAnswers</h2>

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Of 150 adults selected randomly from one town, 30 of them smoke. Construct a 99% confidence interval for the true percentage of

anyanavicka [17]

Answer:

The 99% confidence interval for the true percentage of all adults in the town that smoke is (0.1159, 0.2841).

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 interval $1-\alpha$ , we have the following confidence interval of proportions.

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

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

Of 150 adults selected randomly from one town, 30 of them smoke. This means that $n = 150, p = \frac{30}{150} = 0.2$

99% confidence interval

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

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.20 - 2.575\sqrt{\frac{0.20*0.80}{150}} = 0.1159$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.20 + 2.575\sqrt{\frac{0.20*0.80}{150}}{119}} = 0.2841$

The 99% confidence interval for the true percentage of all adults in the town that smoke is (0.1159, 0.2841).

3 0

4 years ago

Theo was asked to find the measure of x in the following polygon.

Oliga [24]

Answer:

c, I had gotten it right, if you have any problems then im am very srry tell me if do

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

The owner of the theater in item 18 wants to make at least $400 at each performance. Let x be the nunber of adult tickets. And y

Elena L [17]

Answer:

Step-by-step explanation:

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4 years ago

What is 1/2 divided by 1/3

Artemon [7]

Answer:

$\frac{3}{2}$

Step-by-step explanation:

$\frac{1}{2}$ ÷ $\frac{1}{3}$

The reciprocal of $\frac{1}{3}$ is 3, so finding the reciprocal will replace the division sign with a multiplication sign.

= $\frac{1}{2}$ x 3

= $\frac{3}{2}$ or 1 $\frac{1}{2}$ or 1.5

6 0

3 years ago

Can the sides of a triangle have lengths 6.2, 0.5, and 7.8?<br> yes or no

Vitek1552 [10]

No, it's not possible for the sides of a triangle to have those lengths.

According to the triangle inequality theorem, the sum of any two sides of the triangle has to be bigger than the last side. Let's test this.

$6.2+7.8\ \textgreater \ 0.5$

This inequality satisfies the triangle inequality theorem.

$7.8+0.5\ \textgreater \ 6.2$

This also satisfies the theorem.

$6.2+0.5 \textless \ 7.8$

Uh oh. This does not satisfy the triangle inequality theorem. Thus, it is not possible for a triangle to have these side lengths.

4 0

4 years ago