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KATRIN_1 [288]
2 years ago
6

Translate (11, 3) 8 units up and 14 units left What’s the answer

Mathematics
2 answers:
aleksley [76]2 years ago
5 0
Abcdefghijklmnopqrstuvwxyz 12345
Lubov Fominskaja [6]2 years ago
4 0

Answer: 3, 11

Step-by-step explanation:

Y= 3+8 = 11

X= 11-14=3

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A drum of oil has a height of 4 ft and a radius of 1.2 ft. The oil cost $22 per ft³.
iogann1982 [59]
Volume of a Cylinder (Drum) = πr²h

Substitute the known values, 
v = 3.14 * (1.2)² * 4
v = 18.09 Ft³

Now, price for 1 Ft³ = $22
So, for 18.09 Ft³ would be: 22 * 18.09 = $397.9

In short, Your Answer would be: $397.9

Hope this helps!
3 0
3 years ago
A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 340 babies were​ born, a
Bas_tet [7]

Answer:

The 99% confidence interval estimate of the percentage of girls born is (0.8, 0.9).

b)Yes, the proportion of girls is significantly different from 0.5.

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:

In the study 340 babies were​ born, and 289 of them were girls. This means that n = 340, \pi = \frac{289}{340} = 0.85

Use the sample data to construct a 99​% confidence interval estimate of the percentage of girls born.

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)}{340}} = 0.85 - 2.575\sqrt{\frac{0.85*0.15}{400}} = 0.80

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{340}} = 0.85 + 2.575\sqrt{\frac{0.85*0.15}{400}} = 0.90

The 99% confidence interval estimate of the percentage of girls born is (0.8, 0.9).

Does the method appear to be ​effective?

b)Yes, the proportion of girls is significantly different from 0.5.

4 0
3 years ago
Help me plz, thanks.
chubhunter [2.5K]
6/20 chance or simplified would be 3/10. Answer [D] is correct.
5 0
3 years ago
Read 2 more answers
Помогите решить, пожалуйста, с 1-8. Дам 50 баллов.​
kifflom [539]

Answer:

Step-by-step explanation:

Download pdf
5 0
2 years ago
Can a triangle be formed with the side lengths of 4, 5, and 7 units
KATRIN_1 [288]

Answer:

Step-by-step explanation:

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2 years ago
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