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UNO [17]
3 years ago
5

Triangle QRS is rotated 180° about the origin. On a coordinate plane, triangle Q R S has points (negative 4, 1), (negative 4, 4)

, (2, 1). What are the coordinates of point S'?
Mathematics
2 answers:
frutty [35]3 years ago
5 0

Answer:

2, -1

Step-by-step explanation:

doing the quiz on edge rn

other guys is wrong

ivanzaharov [21]3 years ago
3 0

Answer:

D. (2, -1)

Step-by-step explanation:

I took the test and got it right.

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The sample survey showed that 67% of internet users said the internet has generally strengthened their relationship with family
SpyIntel [72]

Answer:

The 95% confidence interval for the proportion of respondents who say the internet has strengthened their relationship with family and friends is (0.67 - 1.96\sqrt{\frac{0.67*0.33}{n}}, 0.67 + 1.96\sqrt{\frac{0.67*0.33}{n}}), in which n is the size of the sample.

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}.

67% of internet users said the internet has generally strengthened their relationship with family and friends.

This means that \pi = 0.67

95% confidence level

So \alpha = 0.05, z is the value of Z that has a p-value 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}} = 0.67 - 1.96\sqrt{\frac{0.67*0.33}{n}}

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.67 + 1.96\sqrt{\frac{0.67*0.33}{n}}

The 95% confidence interval for the proportion of respondents who say the internet has strengthened their relationship with family and friends is (0.67 - 1.96\sqrt{\frac{0.67*0.33}{n}}, 0.67 + 1.96\sqrt{\frac{0.67*0.33}{n}}), in which n is the size of the sample.

3 0
3 years ago
The number of dogs compared to the number of cats owned by the residents of an apartment complex is represented by the model bel
vesna_86 [32]

Answer:

Where is the model ?

Step-by-step explanation:

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Which ordered pairs are solutions to the system? Check all of the boxes that apply.
77julia77 [94]

Answer:

the answer is the 3rd & 5th one for anyone doing this question ; )

Step-by-step explanation:

I just did this question

It's right i just checked

7 0
3 years ago
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Carl works at a garment factory and sews buttons on shirts. For each shirt he completes that passes inspection, he earns $2. How
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do 2*52 which gives you 104 so 104 dollars

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if a girl has 74% battery left and her chrome says it has 7:23 is time that she has left. she panics cause it is second period,
iogann1982 [59]
She just is bc there’s no way that is possible
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