Small sample, because there needs to be more that just three people to determine if the study is true.
Answer:
2/5x = 3/20 or 2/5 *x = 3/20
Step-by-step explanation:
These are the same thing just different ways to write. The x represents the unknown number
Answer is 0.5
-2 divided by -4 equals 0.5
and same thing for the rest of the equation.
X-62=123
+62 +62
_________
x=185
you need to add a positive 62 from each side so -62+62=0 and 123+62=185
therefore, x=185
:Done! hope this helps!
Answer:
The plane flew for 3 hours at 105mph and 115mph for 5 hours
Step-by-step explanation: