1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
postnew [5]
2 years ago
7

Quadrilateral ABCD is dilated at center (0.0) with scale factor 1/2 to form quadrilateral A’B’C’D’. What is the length of A’B’?

Mathematics
1 answer:
Taya2010 [7]2 years ago
7 0

Answer:

Step-by-step explanation:

You might be interested in
You recently sent out a survey to determine if the percentage of adults who use social media has changed from 66%, which was the
il63 [147K]

Answer:

The 98% confidence interval estimate of the proportion of adults who use social media is (0.56, 0.6034).

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}.

Of the 2809 people who responded to survey, 1634 stated that they currently use social media.

This means that n = 2809, \pi = \frac{1634}{2809} = 0.5817

98% confidence level

So \alpha = 0.02, z is the value of Z that has a pvalue of 1 - \frac{0.02}{2} = 0.99, so Z = 2.327.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5817 - 2.327\sqrt{\frac{0.5817*4183}{2809}} = 0.56

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5817 + 2.327\sqrt{\frac{0.5817*4183}{2809}} = 0.6034

The 98% confidence interval estimate of the proportion of adults who use social media is (0.56, 0.6034).

6 0
3 years ago
Abc Which type of rhetorical appeal is used when an author attempts to create strong feelings in the audience? O ethos imagery O
andrew11 [14]

Answer: good question

Step-by-step explanation:

8 0
2 years ago
i need help with my homework plssssss stella drank 2/3 of her water on monday and on tuesday she drank 3/7 how much alltogether
mel-nik [20]

Answer:

1  2/21

Step-by-step explanation:

2/3 + 3/7

14/21+ 9/21= 23/21

5 0
3 years ago
What are some good electronics that I can buy on Amazon?
Ksivusya [100]

Answer:

this isnt a math question

Step-by-step explanation:

;/

3 0
4 years ago
Two teachers compared the mean absolute deviation of the scores from the semester exam they gave to their students. Mrs. Alvarez
Monica [59]

Answer:

C. Mrs. Alvarez's scores were less spread out than Mr. Crawford's scores.

Step-by-step explanation:

Mean Absolute Deviation is one of the Statistical measures which we can you to determine the variation that exist amongst a given set of data

Mean Absolute Deviation can be defined as how far or the distance between one set of data to another set of data.

The smaller the Mean Standard Deviation, the lower the degree of variation in the set of data. The data is less spread out

The larger the Mean Standard Deviation, the higher the degree of variation in the set of data. The data is Largely spread out

We are told in the question that:

Mrs. Alvarez's scores had a lower mean absolute deviation than Mr. Crawford's scores. Our conclusion would be that Mrs. Alvarez's scores were less spread out than Mr. Crawford's scores.

Option 2 is correct.

3 0
4 years ago
Other questions:
  • Evaluate the expression when m=4 and n=9 5m-n
    12·1 answer
  • Please help fast will give brainliest
    5·2 answers
  • Burcu öğretmen elindeki 96 pembe kâğıdı erkek öğrencilere 136 mavi kâğıdı kız öğrencilere her bir öğrenci eşit sayıda kağıt alıc
    5·1 answer
  • What is the answer to 7/6 ÷ 8/7
    7·2 answers
  • Round 36.11 to the nearest tenth
    14·2 answers
  • A company has learned that the relationship between its advertising and sales shows diminishing marginal returns. That​ is, as i
    6·1 answer
  • Two-digit numbers are formed from the digits 1, 6, and 7. Find the sample spaxe
    8·1 answer
  • Sarah is working as a truck driver. She gets paid $100 everyday and then $22 per hr driving. How many hours does sarah have to w
    12·2 answers
  • Cooper took a math quiz last week. There were 76 problems on the quiz and Cooper answered 75% of them correctly. How many proble
    10·1 answer
  • 5/11x -11/6 pleaseeeee helpp
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!