9514 1404 393
Answer:
15
Step-by-step explanation:
||3v|| = ||(-9, 12)|| = √((-9)² +12²) = √225
||3v|| = 15
_____
<em>Additional comment</em>
The (3, 4, 5) Pythagorean triple shows up in numerous algebra, geometry, and trigonometry problems. This is one of them. Once you identify the magnitude of v as the hypotenuse of a triangle with legs 3 and 4, you know immediately that ||v|| = 5 and ||3v|| = 15.
1st ... 5
2... it doesn't intersect the y axis
3.. 3
Answer:
no
Step-by-step explanation:
12/20 = 60%
4/9 = 44.44%
These are not equal.
please mark brainleyst
3d - 6 + 96 = 180
3d + 90 = 180
3d = 90
d = 30
So
<A = 4d - 20
<A = 4(30) - 20
<A = 120 - 20
<A = 100
Answer
<A = 100°