Mathematics, 02.08.2019 16:50 mainsc0324
Alex is conducting a survey for a car company. she decides to start by interviewing some people in her neighborhood. she prepares a questionnaire and emails it to 50 neighbors who own cars. of those neighbors, 24 respond. why is this sample likely to be biased? 1. alex sent a questionnaire by email instead of going door to door. 2. alex sent the questionnaire only to those who live near her. 3. not everyone who got the questionnaire responded. 4. those who got the questionnaire may not have responded on time.
Answers: 1
Mathematics, 21.06.2019 14:30
Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12
Answers: 2
Mathematics, 21.06.2019 17:30
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 3
Mathematics, 21.06.2019 18:30
If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.
Answers: 1
Mathematics, 21.06.2019 22:00
Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.
Answers: 2
Alex is conducting a survey for a car company. she decides to start by interviewing some people in h...
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