To find half of something, we can divide by 2. So 10338/2 = 5169
Working is a bit of a mess, but vertically she's correct, but she's incorrect horizontally
The solution would be undefined, since it is not possible for 10 to be equal to -15. Hope this helps! :)
Answer:
do you need all work shown for this problem
Answer:
Timed test.
Step-by-step explanation:
An operational definition gives exactly what the independent variable means and its mode of measurement. The Independent variable is the variable in a research or experimental study which causes a change in the the measured variable. Hence, the independent variable is the predictor variable. In the study above, the independent variable is the timed test which is used to observe changes in the heart rate of the test taker (test anxiety). The change innheartrate of the test taker is the dependent variable.
