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Mashcka [7]
3 years ago
8

Mr. Jackson and Ms. Collins 3rd grade classes are going on a field trip to the science museum. There are 20 children in one clas

sroom and 22 students in the other. The students will tour the museum in groups of 7 How many groups will there be 49 47 8 7 6​
Mathematics
1 answer:
elena55 [62]3 years ago
6 0

the answer is 6 because 42 divided by 7 = 6

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Find all of the eigenvalues λ of the matrix A. (Hint: Use the method of Example 4.5 of finding the solutions to the equation 0 =
Svetradugi [14.3K]

Answer:

\lambda=8,\ \lambda=-5

Step-by-step explanation:

<u>Eigenvalues of a Matrix</u>

Given a matrix A, the eigenvalues of A, called \lambda are scalars who comply with the relation:

det(A-\lambda I)=0

Where I is the identity matrix

I=\left[\begin{array}{cc}1&0\\0&1\end{array}\right]

The matrix is given as

A=\left[\begin{array}{cc}3&5\\8&0\end{array}\right]

Set up the equation to solve

det\left(\left[\begin{array}{cc}3&5\\8&0\end{array}\right]-\left[\begin{array}{cc}\lambda&0\\0&\lambda \end{array}\right]\right)=0

Expanding the determinant

det\left(\left[\begin{array}{cc}3-\lambda&5\\8&-\lambda\end{array}\right]\right)=0

(3-\lambda)(-\lambda)-40=0

Operating Rearranging

\lambda^2-3\lambda-40=0

Factoring

(\lambda-8)(\lambda+5)=0

Solving, we have the eigenvalues

\boxed{\lambda=8,\ \lambda=-5}

8 0
3 years ago
I'll GIVE BRAINLIST TO THE FRIST PERSON!!!!!!!!!!!!!
hram777 [196]

Answer: the answer should be c

Step-by-step explanation: -3x - 13 is easily found by the perimeter of time (y as a representative)

5 0
4 years ago
Read 2 more answers
X y
Strike441 [17]

Answer:

1

Step-by-step explanation:

3-1=2

2-1=1

1-1=0

From this we can see that the constant rate of change is 1.

Hope it helps <3

6 0
3 years ago
I’m taking a college algebra test tomorrow and I am super scared. Any advice? Thank you!!
Naily [24]

Answer:

pray to god about it and go sit somewhere quiet and think

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can some one help me match these ?
Anastaziya [24]
This is the order....

8 0
3 years ago
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