Answer:
3/4
Step-by-step explanation:
Other than 5 there are 3 other numbers that could be chosen so its 3/4 chances
Answer:
Step-by-step explanation:
wx+yz=uv-2wx
uv = wx + yz + 2wx
u = ( wx + yz + 2wx ) / v
hope it helps :)
Answer:
Step-by-step explanation:
Answer:
The error ranges would be the most reliable with a study, all else being equal is:
Option: A is correct.
A. ±6 percentage point.
Step-by-step explanation:
The error range such that the error range is most reliable in the study is:
±6 percentage points.
( Since for the solution to be most reliable the error must be small so that the value is close to the actual value and hence the study is reliable)
Answer:
x=πn, n∈Z
Step-by-step explanation:
if sin²2x=1-cos²2x, then
1-cos²2x-2cos2x+2=0; ⇒ cos²2x+2cos2x-3=0; ⇔ (cos2x+3)(cos2x-1)=0;

The answer seems to be D!!