The wiggly line is a function and the circle thingy is relation since it does not pass the line test
Answer:
Your answer is 0.06, hun!
Step-by-step explanation:
1.20 divided by 20 = 0.06
Stay happy-Livia
Answer: 4w - 5 is in simplified form.
Step-by-step explanation:
The other expressions have like terms that can be combined.
Answer:
c)
Step-by-step explanation:
The definition of an observational study is: one where researchers observe the effect of a risk factor or an intervention but they do not try to change who is exposed to the factor.
In this particular example, the researchers administered a questionnaire to 391 twelve-year-old and concluded that the body mass index of the adolescents who had a supply of sugary snacks in their bedroom was significantly higher than that of the adolescents who did not have a supply of sugary snacks in their bedroom.
This is not an observational study because the researchers actually administered a questionnaire and analyzed the results. To be an observational study the individuals would have been observed without any intervention (the questionnaire could have had an effect on the adolescents changing their habits)
Answer:
4 units
Step-by-step explanation:
