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leo4687
24.06.2019 •
Mathematics
Vector u has its initial point at (15, 22) and its terminal point at (5, -4). vector v points in a direction opposite that of u, and its magnitude is twice the magnitude of u. what is the component form of v? see picture for answer choices.
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Ответ:
D
Step-by-step explanation:
u = < 5, - 4 > - < 15, 22 > = < 5 - 15, - 4 - 22 > = < - 10, - 26 >
v is in the opposite direction to u, thus is the negative of u
v is also twice the magnitude of u , thus multiply u by 2
Overall to obtain v multiply u by - 2, that is
v = - 2u = - 2 < - 10, - 26 > = < 20, 52 > → D
Ответ:
2/15
Step-by-step explanation:
1-2/3-1/5=?
1/3-1/5
5/15-3/15=2/15
Lucas planted seeds in 2/15 of the garden.