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notsponge [240]
2 years ago
13

9/5 -(-6/10) please helppppppppppppppp0pppppp

Mathematics
1 answer:
erastova [34]2 years ago
7 0

Answer:

\frac{12}{5}

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A and B are n×n matrices. Check the true statements below: A. (detA)(detB)=detAB. B. The determinant of A is the product of the
Rudik [331]

Answer with Step-by-step explanation:

We are given that

A and B are matrix.

A.We know that for two square matrix A and B

Then, det(AB)=det(A)\cdot det(B)

Therefore, it is true.

B. det A  is  the product of diagonal entries in A.

It is not true for all matrix.It is true for upper triangular matrix.

Hence, it is false.

C.\lambda+5=0

\lambda=-5

When  is a factor of the characteristics polynomial of A then -5 is an eigenvalue of A not 5.

Hence, it is false.

D.An elementary row operation on A does not change the determinant.

It is true because when an elementary operation applied then the value of matrix A does not change.

8 0
3 years ago
​f(x)
padilas [110]
nshsu1273 Rowe 2827
5 0
3 years ago
Find CG if KG = 41.4
Irina18 [472]

Answer:

13.8

Step-by-step explanation:

CG is 1/3 of KG

so 41.4/3 is 13.8. that is median of CG

5 0
3 years ago
Solve for X: 1/2(4+X)+2=16
Zanzabum
1/2(4+X)+2=16
2+(0.5 x X) + 2 = 16
4 + (0.5 x X) = 16
0.5 x X = 12
X = 24

idk if u understand my working out - message me if u dont
hope it helped tho :)
5 0
3 years ago
-4, 1, 8, 4, 8, 7, 10, -5, -2, 7
olganol [36]
You have to add all the numbers then divide by how many there are, the mean is 3.4
4 0
3 years ago
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