Cho u⃗ =2i⃗ +7j⃗ +k⃗ và v⃗ =3j⃗ −k⃗ . Thực hiện phép tính
u⃗ ×v⃗ =...
Mathematics, 18.06.2021 17:50 prelogical
Cho u⃗ =2i⃗ +7j⃗ +k⃗ và v⃗ =3j⃗ −k⃗ . Thực hiện phép tính
u⃗ ×v⃗ =
Answers: 3
Mathematics, 21.06.2019 17:20
Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17
Answers: 1
Mathematics, 21.06.2019 20:40
In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1
Answers: 1
Mathematics, 21.06.2019 20:50
Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c
Answers: 3
Mathematics, 06.03.2021 05:40
Mathematics, 06.03.2021 05:40
Mathematics, 06.03.2021 05:40
Mathematics, 06.03.2021 05:40
Mathematics, 06.03.2021 05:40
English, 06.03.2021 05:40
Chemistry, 06.03.2021 05:40
Mathematics, 06.03.2021 05:40