The answer is
x =<span> <span><span>−3/</span>17</span></span>
Answer:
0.3 to 2.3 min
Step-by-step explanation:
n1=n2=10
x1=48
x2=49
s1=4
s2=1
Determine the deegres of freedom.

t=2.037 (student's appendix)



We are 95% confident that average commuting time for rute A is between 0.3 and 2.3 min shorter than for rute B.
It doesn't matter. It's the same distance from zero
Answer:
x = 5 units.
Step-by-step explanation:
In a parallelogram. diagonals bisect each other.
This means
.


.
Therefore, the length of x = 5 units.
Answer:
Step-by-step explanation:
A, B and C must be real numbers, and A and B are not both zero (which would cause division by zero in the calculation of the slope).