Answer: u.(v+w) = -20
Step-by-step explanation:
Given;
u = -i+j
v = 10i-2j
w = -8j
v+w = 10i-2j +(-8j)
v+w = 10i-10j
u .(v+w) = (-i+j).(10i-10j)
= -1×10 + 1 ×-10
= -10-10
u.(v+w) = -20
Answer:
20 questions
Step-by-step explanation:
Well, 10% of 50 is 5, and 5 x 4 = 20. Another way is 50 x .4
Tan^-1(x)=5/12
i don't have a calculator on hand so input it yourself please
Help: All triangle have angles that add up to 180, for isosceles triangles 2 of the angles are the same 1 is different. You need to know at least 1 angle. A = Angle.
A times 2 - 180 = x
Two angles are the same 1 is gotten from the equation
400,000 is the nearest ten thousand