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vodomira [7]
3 years ago
13

Problem 1 (paper) Use Gauss-Jordan elimination with partial pivoting to solve the following linear system. Show all steps. Repre

sent all values as exact fractions, not decimal numbers.
[2 1 1 4 2 1 3 1 1] [x1 x2 x3] = [8 13 10]
Problem 2 (paper) For the matrix-matrix
A = [2 3 2 4 7 6 6 11 13]
Calculate the LU decomposition A = LU where
L = [1 0 0 l21 1 0 l31 l32 1] and U = [u11 u12 u13 0 u22 u23 0 0 u33]
As follows. Mulitply out LU to get algebraic expressions for each component of A in terms of the components of L and U.
Engineering
1 answer:
EastWind [94]3 years ago
8 0

Answer:

mano não sei mas acho que vai dar certo porque isso aí é muito top mas é isso aí mano o cara tem que ser confiar mesmo viu que negócio é desse jeito mesmo entendeu porque sabe como é que é as coisas né nada é fácil mesmo hein mas é isso aí mano continua tentando aí mano porque Rapaz tu é louco doido agora tá difícil mesmo mas é isso aí o cara tem que ir saber se ele tá ligado eu deixei isso mesmo né mas é isso aí meu truta

Explanation:

É isso aí mano Espero que tenho ajudado aí beleza manda a tua pergunta aí beleza é isso aí mano É isso aí continua hein p

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Do not use C++ pointers (this is not a topic of this course).
noname [10]

The program is an illustration of functions in C++

C++ functions are collection of named program statements that are executed when called

<h3>The C++ program</h3>

The program in C++, where comments are used to explain each action is as follows:

#include <iostream>

#include <cmath>

using namespace std;

//This defines the boolean method

bool isoscelesTriangleHeightAndArea(double base, double hypotenuse, double height, double area) {

   //This checks for invalid base and height

   if(base < 0 || hypotenuse < 0){

       return false;

   }

   //This returns true if base and height are valid

   return true;

}

//The main begins here

int main(){

   //This initializes the variables

   double base, hypotenuse, height, area;

   //This gets input for base and hypotenuse

   cout<<"Base: ";    cin>>base;

   cout<<"Hypotenuse: "; cin>>hypotenuse;

   //The calls the boolean method

   bool success = isoscelesTriangleHeightAndArea(base, hypotenuse, height, area);

   //If success is True

   while (success){

       //This calculates height

       height = sqrt(hypotenuse*hypotenuse - (base/2) * (base/2));

       //This calculates area

       area = 0.5 * base * height;

       //This prints height

       cout << "Triangle height is " << height << endl;

       //This prints area

       cout << "Triangle area is " << area << endl;

       //This gets input for base and hypotenuse

       cout<<"Base: ";    cin>>base;

       cout<<"Hypotenuse: "; cin>>hypotenuse;

       bool success = isoscelesTriangleHeightAndArea(base, hypotenuse, height, area);

   }

   cout << "Invalid Input!" << endl;

}

Read more about C++ programs at:

brainly.com/question/24833629

#SPJ1

4 0
2 years ago
The minimum fresh air requirement of a residential building is specified to be 0.35 air changes per hour (ASHRAE, Standard 62, 1
Thepotemich [5.8K]

Answer:

a) The flow capacity of the fan is 3150 L/min

d) the minimum diameter is 0.11 m

Explanation:

given data:

A = area of residence = 200 m²

h = height of building = 2.7 m

Percentage of air that must be replaced by fresh air is 35%

v = velocity of air in the duct = 5.5 m/s

a) The volume of the entire building is:

Volume=2.7*200=540m^{3}

The flow capacity of the fan is equal to:

Flow=\frac{0.35*540}{60} =3.15m^{3} /min

Flow=3.15\frac{m^{3} }{min} *\frac{1000L}{1m^{3}  } =3150L/min

b) The volume flow rate of fresh air is equal to:

Flow=\frac{\pi *d^{2} }{4} V\\d=\sqrt{\frac{4*Flow}{\pi V} } =\sqrt{\frac{4*3.15}{\pi *5.5*60} } =0.11m

6 0
4 years ago
18. What is being shown in the above Figure?
slavikrds [6]

D. Camshaft gear backlash is being checked​

hope this helps :)

8 0
3 years ago
Read 2 more answers
Propyl Benzhydryl Ether (continued on next page):
uranmaximum [27]

Answer:

See detailed explanation and image attached

Explanation:

1 mole of 1-pentanol reacts with 1 mole of benzhydrol

Number of moles in 1.5 g of benzhydrol = mass/molar mass = 1.5 g/184 g/mol = 0.008 moles of benzhydrol

x moles of 1-pentanol reacts with 0.008 moles of benzhydrol

x = 0.008 moles of 1-pentanol

If 1 mole occupies 22.4 L

0.008 moles occupies 22.4 * 0.008 moles = 0.179 L of 1-pentanol is required.

The mechanism of the formation of n-pentyl benzhydryl ether involves the protonation of the -OH group in benzhydrol. This is followed by loss of water molecule creating a carbocation which is attacked by the 1-pentanol.  Abstraction of a proton by a base completes the mechanism, regenerates the acid and yields the n-pentyl benzhydryl ether as shown in the image attached.

The synthesis of diethyl ether occurs by protonation of one ethanol molecule followed by SN2 attack by anothe ethanol molecule and a simultaneous loss of a water molecule. Deprotonation by a base yields the  diethyl ether

6 0
3 years ago
Determine the Thevenin/Norton Equivalent Circuit with respect to the terminalsa,bas shown in the figure. (Here 1A is an independ
melisa1 [442]

Answer:

the the the the the the the

3 0
4 years ago
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