Mathematics, 23.03.2021 21:10 lagarde
The manager of a local cell phone company wants to conduct a survey to determine what kind of musical ring tones people typically use. Which method should she choose – and why?
A. survey the listeners of a rock radio station
B. survey a group of people standing in line
for a symphony
C. Suppose she decides to mail a survey to every 100th household in the area.
Kathy wants to know how many students in her city use the internet for learning purposes. She used an email poll. Based on the replies to her poll, she found that 83% of those surveyed used the internet.
Is this Biased or unbiased? Why?
Answers: 2
Mathematics, 21.06.2019 21:00
Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12
Answers: 1
Mathematics, 21.06.2019 21:10
Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem
Answers: 3
Mathematics, 21.06.2019 22:00
Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.
Answers: 2
Mathematics, 21.06.2019 22:40
Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?
Answers: 2
The manager of a local cell phone company wants to conduct a survey to determine what kind of musica...
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