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Llana [10]
2 years ago
15

Write Bold x as the sum of two​ vectors, one in Span StartSet Bold u 1 comma Bold u 2 comma Bold u 3 EndSet and one in Span Star

tSet Bold u 4 EndSet. Assume that StartSet Bold u 1 comma ... comma Bold u 4 EndSet is an orthogonal basis for set of real numbers R Superscript 4. Bold u 1equalsStart 4 By 1 Table 1st Row 1st Column 0 2nd Row 1st Column 1 3rd Row 1st Column negative 7 4st Row 1st Column negative 1 EndTable ​, Bold u 2equalsStart 4 By 1 Table 1st Row 1st Column 6 2nd Row 1st Column 8 3rd Row 1st Column 1 4st Row 1st Column 1 EndTable ​, Bold u 3equalsStart 4 By 1 Table 1st Row 1st Column 1 2nd Row 1st Column 0 3rd Row 1st Column 1 4st Row 1st Column negative 7 EndTable ​, Bold u 4equalsStart 4 By 1 Table 1st Row 1st Column 8 2nd Row 1st Column negative 6 3rd Row 1st Column negative 1 4st Row 1st Column 1 EndTable ​, Bold xequalsStart 4 By 1 Table 1st Row 1st Column 12 2nd Row 1st Column negative 7 3rd Row 1st Column 2 4st Row 1st Column 0 EndTable
Verify that

StartSet Bold u 1 comma Bold u 2 EndSetu1,u2

is an orthogonal​ set, and then find the orthogonal projection of y onto

SpanStartSet Bold u 1 comma Bold u 2 EndSetu1,u2.

yequals=left bracket Start 3 By 1 Matrix 1st Row 1st Column 4 2nd Row 1st Column 2 3rd Row 1st Column negative 1 EndMatrix right bracket

4
2
−1
​, Bold u 1u1equals=left bracket Start 3 By 1 Matrix 1st Row 1st Column 3 2nd Row 1st Column 4 3rd Row 1st Column 0 EndMatrix right bracket

3
4
0
​, Bold u 2u2equals=left bracket Start 3 By 1 Matrix 1st Row 1st Column negative 4 2nd Row 1st Column 3 3rd Row 1st Column 0 EndMatrix right bracket

−4
3
0

Mathematics
1 answer:
grin007 [14]2 years ago
3 0

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached images below for the step by step solution to the question above.

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Virty [35]

Answer:

2km

Step-by-step explanation:

Distance = Speed ÷ Time

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miss Akunina [59]

Answer:

Step-by-step explanation:

You have the domain. It is given as -1≤x≤1

Now all you have to do is figure out the range which is the y value. At first glance I think it might be 3, but that does not look very logical. I'll post this much of it now and be back in under an hour with a more complete answer.

Of course! How silly of me. There is a minimum of y = 1 in the range which comes from x = 0

I've included a graph so you can see how this all works.

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Please need help 20 points
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Two sides of an acute triangle meaure 5 inches and 8 inches. The length of the longest side is unknown. What is the greatest pos
gladu [14]

The greatest whole possible whole number length of the unknown side is 9 inches.

<h3>How to identify if a triangle is acute?</h3>

Let us have:

H = biggest side of the triangle

And let we get  A and B as rest of the two sides.

Then we get:

If

A^2 + B^2 < C^2

then the triangle is acute

Two sides of an acute triangle measure as 5 inches and 8 inches

The length of the longest side is unknown.

We have to find the length of the unknown side

WE know that the longest side of any triangle is a hypotenuse

For an acute triangle we know:

A^2 + B^2 < C^2

Here in this sum,

a = 5 inches

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c = ?

Substituting we get,

A^2 + B^2 < C^2\\\\5^2 + 8^2 < C^2\\\\25 + 64= C^2

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Vinil7 [7]

Answer:

1.2

Step-by-step explanation:

You simply have to look for a point on the graph that has an x-coordinate of -6. Only one is (-6. 1.2), so 1.2 is your answer.

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