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3 years ago

What is orthogonal in linear algebra

Mathematics

2 answers:

o-na [289]3 years ago

8 0

This is a square matrix whose entries are real and rows and columns are orthogonal unit vectors.

Sloan [31]3 years ago

4 0

Answer:

Step-by-step explanation:

the answer is A

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Find the slope-intercept form of the equation of a line that passes through the given points.

anygoal [31]

Answer:

y=3x+b

Step-by-step explanation:

finding slope:

slope= y2-y1/x2-x1

-2--5/3-2

3/1

slope is 3

i'm not sure how to find the y-intercept using this format but hope this kinda helped!

7 0

3 years ago

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Let the region R be the area enclosed by the function f(x)=ln(x) and g(x)= 1/2x-2. Find the volume of the solid generated when t

Neporo4naja [7]

Answer:

$V=61.66$

Step-by-step explanation:

This problem can be solved by using the expression for the Volume of a solid with the washer method

$V=\pi \int \limit_a^b[R(x)^2-r(x)^2]dx$

where R and r are the functions f and g respectively (f for the upper bound of the region and r for the lower bound).

Before we have to compute the limits of the integral. We can do that by taking f=g, that is

$f(x)=g(x)\\ln(x)=\frac{1}{2}x-2$

there are two point of intersection (that have been calculated with a software program as Wolfram alpha, because there is no way to solve analiticaly)

x1=0.14

x2=8.21

and because the revolution is around y=-5 we have

$R=ln(x)-(-5)\\r=\frac{1}{2}x-2-(-5)\\$

and by replacing in the integral we have

$V=\pi \int \limit_{x1}^{x2}[(lnx+5)^2-(\frac{1}{2}x+3)^2]dx\\$

$V=\pi [28x+\frac{1}{x}+xln^2x-12xlnx-6lnx]$

and by evaluating in the limits we have

$V=61.66$

Hope this helps

regards

3 0

3 years ago

Whats is equivanlent fractions of 24/84

Aloiza [94]

Answer:

2/7

Step to step explanation:

This question is in other words, asking you to simplify the fraction.

Find the GCF and divide both the denominator and numeratior by the GCF.

The GCF of 24/84 is 12.

24/12 = 2

84/12 = 7.

3 0

3 years ago

What is the propibility of getting a pizza with plain crust

Katen [24]

Answer:

50%

Step-by-step explanation:

As you can see there is only two options for crust, sesame crust, and plain crust. 100/2 = 50 so the probability of getting a plain crust pizza would be 50%

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!

4 0

3 years ago

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After dis if you get the answer right you get 50 points

svetoff [14.1K]

Answer:

Step-by-step explanation:

First you have 24-(5+9)/2

So do 5+9=14

24-14=10

10/2=5

answer is 5

7 0

2 years ago

Read 2 more answers