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DochEvi [55]
3 years ago
6

If a=i+3j+k and b=i+12j+k, find a unit vector with positive first coordinate orthogonal to both a and

Mathematics
1 answer:
vodka [1.7K]3 years ago
5 0
The cross product of the vectors will be orthogonal to both:
axb
[tex]=<1,3,1>x<1,12,1>
=
i j k
1 3 1
1 12 1
=<3-12, -1+1, 12-3>
=<-9,0,9>
Since it is required to have positive first coordinate, we reverse the sign of the components, namely reverse the direction of the vector, which is still orthogonal to both a and b:
Required vector is <9,0,-9> which is orthogonal to both a and b.
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lord [1]
It should be 23421314
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3 years ago
PLZ ANSWER APSP IM IN THE TEST RN!!!
olchik [2.2K]

Answer:

x = 38

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From there, you plug x into one of the equations

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The answer's 81, meaning that angle is 81 degrees. Using supplementary angles, you can find that angle ACD = 99, which you can use to find angle BCE. You'll get this equation:

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I hope this helped!

8 0
3 years ago
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a container of candy is shaped like a cylinder and has a volume of 125.6 cubic centimeters. If the heights of the container is 1
Elenna [48]

The radius of the container is 2 centimeter

<h3><u>Solution:</u></h3>

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We can use volume of cylinder formula and obatin the radius value

<em><u>The volume of cylinder is given as:</u></em>

\text {volume of cylinder }=\pi r^{2} h

Where "r" is the radius of cylinder

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Substituting the values in formula, we get

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4 0
3 years ago
Which of the following BEST describes how to use the addition property of equality to isolate the variable y
Alexandra [31]

Answer:  C) add 12 to both sides

Reason:

We add 12 to the left side to undo the -12, which will get y by itself.

We must do the same thing to both sides to keep things balanced.

5 0
2 years ago
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Aneli [31]

Answer:

1176

Step-by-step explanation:

All you have to do is add 1168 plus 38 would be 1176.

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3 years ago
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