Answer:
yes Cecilia make her first mistake in step 2
Answer:
I think it might be C but I'm not 100% sure!
Step-by-step explanation:
You have to find a line of best fit (a line through the dots) but it's kind of tricky to do that so I think it's probably C but it could also be A. Just use your best judgement on this one!
Dot product is
a*b = |a|*|b|*cosα.
In our case
u*u =|u|*|u|*cos 0
u*u =|u|*|u|
12=|u|²
|u|=√12=√(4*3)=2√3
Answer: <span>D. 2√3</span>
Step-by-step explanation:
Below is an attachment containing the solution.
Answer:
z=-8 and z=8
Step-by-step explanation:
A rational expression is undefined when its denominator is equal to zero, so our expression is undefined when
. Solving for z, we get
