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amid [387]
3 years ago
14

Find two unit vectors orthogonal to a=⟨2,−2,−3⟩a=⟨2,−2,−3⟩ and b=⟨3,2,2⟩b=⟨3,2,2⟩ enter your answer so that the first non-zero c

oordinate of the first vector is positive.
Mathematics
1 answer:
Ronch [10]3 years ago
8 0
We need the cross product of the two vectors.
a x b
=<2,-2,-3> x <3,2,2>
=
i    j   k
2 -2 -3
3  2  2
=<-4+6, -(4+9), 4+6>
=<2,-13,10>
The second vector is obtained by reversing the direction, namely <-2,13,-10>
Thus the two vectors are <2,-13,10> and <-2,13,-10>.
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Wittaler [7]

Answer:

512/6561

Step-by-step explanation:

nth term = a×[r^(n-1)]

9th term: n = 9

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512/6561

4 0
3 years ago
Jacob is the most popular name amongthe 2,086,814 males born in 2000. The Jacobs make up 1.6516% of all males born that year. Ho
lesya692 [45]

Answer:

34,466 children

Step-by-step explanation:

Given the following :

Total number of males born in year 2000= 2,086,814

Percentage number of Jacob's born in year 2000 = 1.6516%

The Jacobs make up 1.6516% of all males born that year?.

The number of Jacob's born in year 2000 will be :

1.6516% of the total number of children born in the year 2000

(1.6516 / 100) × 2,086,814

0.016516 × 2,086,814

= 34465.820024

= about 34,466 children

3 0
3 years ago
The pic is above ^ please help! thank youu!!
AlekseyPX
Answer:B 108
please correct me if im wrong im not sure if i did the math correct
if its right than ur very welcome
7 0
3 years ago
Read 2 more answers
What is the measure of arc AC? <br> A) 33<br> B) 38<br> C) 28<br> D) 45
puteri [66]

Answer:

B

Step-by-step explanation:

7x-4 is two times 2.5x+4

4 0
3 years ago
Help ! The answer is given but I need to explain how I got it
horsena [70]
Area ( If you know the circumference) :
C^2 / (4×3.14) Brackets are important!
So you have to type :
53.38^2/(4×3.14)
= 226.865
6 0
3 years ago
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