Answer:
C. Age is a probably lurking variable in this study.
Step-by-step explanation:
The two variables that are related in this study are arithmetic and exercise.
The variable which is not known and cannot be controlled is age. But it may effect other variables. Such a variable is called lurking variable.
In this experiment we know the age range but not exact age. It may effect as younger students may not be able to solve questions easily.
Choice C is the most appropriate conclusion given for the finding.
Answer:
3/18 = 1/6 =.16666666.....
.16(would be repeating)
your choice D and A are the same, and choice C and B are the same!
hope this helps!
Answer:
The tree is 18 feet high.
Step-by-step explanation:
The base was 5 feet away. The bird flew an additional 13 feet.
5+13=18.
If 30% were perfect, 70% were not perfect. So we know that 70% of the total number of photographs is 210.
p(70/100)=210 multiply both sides by 100
70p=21000 divide both sides by 70
p=300
So there are 300 photographs in all.
Answer:
19 mins
Step-by-step explanation:
Adding up timing od pipe A,B ,C