Answer:
y =20
Step-by-step explanation:
you have to get the y by itself so what you do on one side you do to the other. subtract 12 on both sides and you get y=20
Take the cross product, then normalize the result.
This has norm
and so a unit vector orthogonal to both given vectors is
An equally correct answer would be the negative of this vector, since
.
Answer:
120
Step-by-step explanation:
<2 = 120 degrees
<3 = <2 vertical angles
Assuming b is parallel to c
<3 = <6 alternate interior angles
<6 = <7 vertical angles
<2 = <7 =120
The answer 274 because anything divided by one is itself
2/5 and 1/3 have a common denominator of 15. 6/15, 5/15, and 4/15 add up to 15/15. So the chances of rock are 4/15. 120 divided by 15 is 8. Six times eight equals fourty eight, five times eight equals forty, and four times eight equals thirty two. So there are 48 classical songs, 40 jazz songs, and 32 rock songs.