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4 years ago

How many different ways can the letters in the word triangle be arranged?

Mathematics

1 answer:

Ghella [55]4 years ago

4 0

720 possible ways to arrange the word TRIANGLE

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5+6+9•87•45•23-12-98•34/3

NISA [10]

I got 809293.333333, but the other dude might be right.

3 0

4 years ago

"Tongue Piercing May Speed Tooth Loss, Researchers Say" is the headline of an article. The article describes a study of 51 young

Paul [167]

Answer:

The 95% confidence interval for the proportion of young adults with pierced tongues who have receding gums is (0.24, 0.506).

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

For this problem, we have that:

$n = 51, \pi = \frac{19}{51} = 0.373$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.373 - 1.96\sqrt{\frac{0.373*0.627}{51}} = 0.24$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.373 + 1.96\sqrt{\frac{0.373*0.627}{51}} = 0.506$

The 95% confidence interval for the proportion of young adults with pierced tongues who have receding gums is (0.24, 0.506).

3 0

3 years ago

Eric buys new clothes for school. He has 3 pairs of pants, 4 shirts, and 2 pairs of shoes. How many different outfits does he ha

Ilia_Sergeevich [38]

3*4*2=24

24 possible combinations

6 0

3 years ago

Read 2 more answers

⚠️⚠️WHATS THE EQUATIONS (Y=Mx+B)⚠️⚠️

Leto [7]

Answer:

Y=-5/4+20

Step-by-step explanation:

6 0

3 years ago

Solve the following word problem using any method. Show your work.

VLD [36.1K]

Let's set up two equations:
x+y=20 We know she brought total of 20, some of each so x=small y=big
20x+ 30y=450

x+y= 20
-y -y
------------
x= 20 -y

substitute into the other equation:
20 (20-y) + 30y = 450
400 - 20y + 30y = 450
400+ 10 y = 450
10 y = 50
y= 5

So she brought 5 big cases. Then substitute the value of y into one of the equations.

5+ x = 20
x= 15

So we bought 15 small cases and 5 big cases.

Hope this helps! Please give me the brainliest answer if you like it! If you have further questions, please leave a comment or add me as a friend!

5 0

3 years ago

Read 2 more answers