Answer:
30 degrees
Step-by-step explanation:
u dot v=1*4+1*4+1*4+0*4=4+4+4+0=12
|u|=sqrt(1^2+1^2+1^2+0^2)=sqrt(3)
|v|=sqrt(4^2+4^2+4^2+4^2)=sqrt(4*4^2)=2*4=8
cos(theta)=u dot v/(|u||v|)
cos(theta)=12/(sqrt(3)*8)
cos(theta)=3/(sqrt(3)*2)
cos(theta)=sqrt(3)/2
theta=30 degrees
Answer:
0.2
Step-by-step explanation:
5/25 as a decimal is 0.2.
Answer:
3x-8y-16 = 0
Step-by-step explanation:
X = total amount paid
y = number of tickets
z = number of bags
your equation:
x = 10y + 5z + 3
hope this helps
Answer:
No real roots
Step-by-step explanation:
Roots of a quadratic are the x-intercepts of the graph
