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kogti [31]
3 years ago
7

Determine whether the set of vectors is orthonormal. If the set is only​ orthogonal, normalize the vectors to produce an orthono

rmal set.Bold u 1 equals [Start 3 By 1 Matrix 1st Row 1st Column one third 2nd Row 1st Column one third 3rd Row 1st Column one third EndMatrix ]and Bold u 2 equals [Start 3 By 1 Matrix 1st Row 1st Column negative one half 2nd Row 1st Column 0 Subscript font size decreased by 6 Superscript font size decreased by 6 3rd Row 1st Column one half EndMatrix ]

Mathematics
1 answer:
In-s [12.5K]3 years ago
6 0

Answer:

(i) See attached image file

(ii) Option A

Step-by-step explanation:

See attached image file

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Solve 9x2 + 12x – 24 = 0 using the quadratic formula. A. x = 7, –1 B. C. D. x = 4, –7
Ksivusya [100]
\bf \qquad \qquad \textit{quadratic formula}\\\\

\begin{array}{lcclll}
9x^2&+12x&-24&=0\\
\uparrow &\uparrow &\uparrow \\
a&b&c
\end{array}
\qquad \qquad 
x= \cfrac{ - {{ b}} \pm \sqrt { {{ b}}^2 -4{{ a}}{{ c}}}}{2{{ a}}}
8 0
3 years ago
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The Wagner family uses up a 1/2-gallon jug of milk every 3 days. At what rate do they drink milk?
luda_lava [24]

Answer:

\frac{1}{6} gallon per day

Step-by-step explanation:

Rate = gallons per day

Rate = \frac{0.5 gallons}{3 days} = \frac{1 gallon}{6 days}

5 0
2 years ago
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15 points. What is the value of k?
Lubov Fominskaja [6]

Answer:

k = 10

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ ZYM is an exterior angle of the triangle, thus

4k + 5 + 6k + 10 = 115, that is

10k + 15 = 115 ( subtract 15 from both sides )

10k = 100 ( divide both sides by 10 )

k = 10

7 0
3 years ago
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Is 0.123456789 irrational
Sunny_sXe [5.5K]
Not if it ends at 9, like you typed it.
3 0
3 years ago
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Jamey says she only has 30% of her book to go before she finishes it. she has read 147 pages so far
Lubov Fominskaja [6]
Let's just change your problem to 147 of 30% 

"Of" is always equaling to multiplication (×)

Now, it would be easier to simplify 

30% (147)
30% ÷ 100 = 0.3
0.3(147)
Now, we get to your answer which might be 44.1



4 0
3 years ago
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