Answer:
B.
Step-by-step explanation:
cuz you take 21 divide by 7 equals 3. 33 divided by 3 equals 11
i hope this is right!!! :)
Answer:
Step-by-step explanation:
Divide both sides by 9 to isolate x:
Hope this helps!
Answer:
G=11
Step-by-step explanation:
g+5=16
You need to get rid of the 5, so take away 5 from both sides.
16-5=11
g=11
The angle between two vectors is:
CosФ = u - v / Magnitude(u) x magnitude(v)
Magnitude of u = SQRT(7^2 + -2^2) = SQRT(49 +4) = SQRT(53)
Magnitude of v = SQRT(-1^2 +2^2) = SQRT(1 +4) = SQRT(5)
u x v = (7 x -1) + (-2 x 2) = -7 + -4 = -11
cosФ = -11 / sqrt(53) x sqrt(5)
cosФ = -11sqrt265) / 265
Ф =cos^-1(-11sqrt265) / 265)
Ф=132.51 degrees.
