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Whitepunk [10]
2 years ago
11

Answer this question please branliest going :) thanks

Mathematics
1 answer:
White raven [17]2 years ago
3 0

Answer:

11/1 or 11

Step-by-step explanation:

hope this helps

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A company makes desks, coffee tables, and corner tables. Each item uses units of wood, fabric, and stuffing.
Anastasy [175]

Answer: 50x+30y+5z= 690

              40x+15y+5z= 620

              45x+10y+5z= 510        

Step-by-step explanation: The first equation to find units of wood, the second is for the units of fabric, and the third is for the units of stuffing.

5 0
1 year ago
How many twelfths make one whole<br><br><br><br><br><br><br> How many twelfths make one whole
Alenkasestr [34]

Answer:

12

Step-by-step explanation:

1/12x1/x

1x=12x1

x=12

3 0
2 years ago
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Help appreciated! (Will mark as Brainliest if correct.)
egoroff_w [7]
The screen us very blurry
3 0
3 years ago
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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
You start driving north for 24 miles, turn right, and drive east for another 70 miles. How many miles must you travel to return
oee [108]
You must travel 74 miles.

3 0
3 years ago
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