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Vinil7 [7]
3 years ago
5

How many thousands are in 3.293

Mathematics
2 answers:
just olya [345]3 years ago
8 0

??? what do u mean

like numbers in the thousands place is 3


natulia [17]3 years ago
7 0

only 1

<h2>3 is the thousand</h2>
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The answers to these questions
I am Lyosha [343]

Answer:

The formula to find the radius is diameter/pie. Also, it does not show the formula that they are asking.

Step-by-step explanation:

8 0
3 years ago
A+B =90 and sin a = 3/5 find cos B
Semmy [17]

Idk Thai is for me to get points

6 0
3 years ago
Find two unit vectors orthogonal to both 8, 5, 1 and −1, 1, 0 .
Elina [12.6K]
In order to do this, you must first find the "cross product" of these vectors. To do that, we can use several methods. To simplify this first, I suggest you compute:

‹1, -1, 1› × ‹0, 1, 1›

You are interested in vectors orthogonal to the originals, which don't change when you scale them. Using 0,-1,1 is much easier than 6s and 7s.

So what methods are there to compute this? You can review them here (or presumably in your class notes or textbook):
http://en.wikipedia.org/wiki/Cross_produ...

In addition to these methods, sometimes I like to set up:
‹1, -1, 1› • ‹a, b, c› = 0
‹0, 1, 1› • ‹a, b, c› = 0

That is the dot product, and having these dot products equal zero guarantees orthogonality. You can convert that to:

a - b + c = 0
b + c = 0

This is two equations, three unknowns, so you can solve it with one free parameter:

b = -c
a = c - b = -2c

The computation, regardless of method, yields:
‹1, -1, 1› × ‹0, 1, 1› = ‹-2, -1, 1›

The above method, solving equations, works because you'd just plug in c=1 to obtain this solution. However, it is not a unit vector. There will always be two unit vectors (if you find one, then its negative will be the other of course). To find the unit vector, we need to find the magnitude of our vector:

|| ‹-2, -1, 1› || = √( (-2)² + (-1)² + (1)² ) = √( 4 + 1 + 1 ) = √6

Then we divide that vector by its magnitude to yield one solution:

‹ -2/√6 , -1/√6 , 1/√6 ›

And take the negative for the other:

‹ 2/√6 , 1/√6 , -1/√6 ›
7 0
3 years ago
Solve this with elimination please, 3x + 6y = 6
Dafna1 [17]
Times 2nd equation by 2
add to first equation

3x+6y=6
<u>4x-6y=8 +</u>
7x+0y=14

7x=14
divide both sides by 7
x=2

sub back

2x-3y=4
2(2)-3y=4
4-3y=4
minus 4 both sideds
-3y=0
y=0


(x,y)
(2,0)
8 0
3 years ago
Read 2 more answers
Jacob strode up 24 steps in 12 seconds to reach his apartment on the second floor. How many steps did he climb in 9.5 seconds?
shutvik [7]

Answer:

He climbed 19 steps

Step-by-step explanation:

Let steps climbed in 9.5 seconds = z

If           24 steps = 12 seconds

then:       z            = 9.5 seconds

Using criss cross method

24  x 9.5 = 12 x z

228 = 12 z

z = 228/12

z = 19 steps

3 0
3 years ago
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