Mathematics, 25.07.2021 19:30, aefrain42

Cho đoạn thẳng AB=7cm. Trên tia AB lấy điểm C sao cho AC= 4cm a)Tính độ dài đoạn thẳng BC b)Trên tia đối của tia BC lấy điểm D sao cho BD=3cm. Tính độ dài đoạn thẳng CD c)Điểm B có là trung điểm của đoạn thẳng CD không?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 22:00, Isaiahgardiner5143

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Answers: 3

continue

Mathematics, 21.06.2019 22:20, jimena15

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

Answers: 2

continue

Mathematics, 22.06.2019 00:20, arianasg06

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?

Answers: 3

continue

Mathematics, 22.06.2019 02:30, caprisun6779

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.

Answers: 3

continue

Do you know the correct answer?

Cho đoạn thẳng AB=7cm. Trên tia AB lấy điểm C sao cho AC= 4cm a)Tính độ dài đoạn thẳng BC b)Trên tia...