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kobusy [5.1K]
3 years ago
9

Clunker Motors Inc. is recalling all vehicles in its Extravagant line from model years 1999-2002 as well all vehicles in its Guz

zler line from model years 2004-2007. Given a variable modelYear and a String modelName write a statement that prints the message "RECALL" to standard output if the values of modelYear and modelName match the recall details.
Computers and Technology
1 answer:
Likurg_2 [28]3 years ago
7 0

Answer:                                                                                          

if ((modelYear>=1999 && modelYear<=2002 && modelName=="Extravagant") || (modelYear>=2004 && modelYear<=2007 && modelName=="Guzzler")) // checking the condition

{        

cout << "RECALL"; // display  

}

Explanation:

Following are the description of Program

  • As mention in question "modelYear" is the variable of the int type and "modelName" is A String variable.
  • We check the condition in the if block.
  • In the IF block, it checks the condition with the OR(||) operator.
  • The condition is checking "modelYear" greater then or equal to 1999 and "modelYear" less then or equal to  2002 and "modelName" equal to "Extravagant" OR "modelYear" >= 2004 and "modelYear" <=2007 and  "modelName" equal to Guzzler It print RECALL on the console window.
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3 0
3 years ago
The factorial of n is equal to ______.
alexdok [17]

Answer:

n! = n*(n-1)*(n-2)*(n-3)* ... *2*1

Explanation:

The factorial operator is simply a mathematical expression of the product of a stated integer and all integers below that number down to 1.  Consider these following examples:

4! = 4 * 3 * 2 * 1

4! = 12 * 2 * 1

4! = 24

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5 0
2 years ago
What would you have to know about the pivot columns in an augmented matrix in order to know that the linear system is consistent
Scrat [10]

Answer:

The Rouché-Capelli Theorem. This theorem establishes a connection between how a linear system behaves and the ranks of its coefficient matrix (A) and its counterpart the augmented matrix.

rank(A)=rank\left ( \left [ A|B \right ] \right )\:and\:n=rank(A)

Then satisfying this theorem the system is consistent and has one single solution.

Explanation:

1) To answer that, you should have to know The Rouché-Capelli Theorem. This theorem establishes a connection between how a linear system behaves and the ranks of its coefficient matrix (A) and its counterpart the augmented matrix.

rank(A)=rank\left ( \left [ A|B \right ] \right )\:and\:n=rank(A)

rank(A)

Then the system is consistent and has a unique solution.

<em>E.g.</em>

\left\{\begin{matrix}x-3y-2z=6 \\ 2x-4y-3z=8 \\ -3x+6y+8z=-5  \end{matrix}\right.

2) Writing it as Linear system

A=\begin{pmatrix}1 & -3 &-2 \\  2& -4 &-3 \\ -3 &6  &8 \end{pmatrix} B=\begin{pmatrix}6\\ 8\\ 5\end{pmatrix}

rank(A) =\left(\begin{matrix}7 & 0 & 0 \\0 & 7 & 0 \\0 & 0 & 7\end{matrix}\right)=3

3) The Rank (A) is 3 found through Gauss elimination

(A|B)=\begin{pmatrix}1 & -3 &-2  &6 \\  2& -4 &-3  &8 \\  -3&6  &8  &-5 \end{pmatrix}

rank(A|B)=\left(\begin{matrix}1 & -3 & -2 \\0 & 2 & 1 \\0 & 0 & \frac{7}{2}\end{matrix}\right)=3

4) The rank of (A|B) is also equal to 3, found through Gauss elimination:

So this linear system is consistent and has a unique solution.

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