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labwork [276]
3 years ago
7

Simplify the expression (3x^3 y^-2)^-4

Mathematics
1 answer:
lakkis [162]3 years ago
7 0
The answer is y^8/ 81x^12

Explanation: use Photomath it's a easy app like Brainly and it gives u math answers. It's free and on the AppStore. It helps explain too
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erica [24]

Answer:

A. Linear

Step-by-step explanation:

As the x value goes up by 1, the y value goes up by 3 each time

8 0
1 year ago
A. Determine the value of an account in which a person invested $6000 for 12 years at an annual rate of 9% compounded annually (
Sliva [168]

Answer:

16875.98

Step-by-step explanation:

6000(1+(0.09/1)^1*12 = 16875.98

8 0
2 years ago
Read 2 more answers
Please answer asap! Will mark brainliest.
choli [55]
It is too blurry i will try too help if I tell me what too do
5 0
3 years ago
Read 2 more answers
Arrange the entries of matrix A in increasing order of their cofactors values
givi [52]

To find the cofactor of

A=\left[\begin{array}{ccc}7&5&3\\-7&4&-1\\-8&2&1\end{array}\right]

We cross out the Row and columns of the respective entries and find the determinant of the remaining 2\times 2 matrix with the alternating signs.


Ac_{11}=\left|\begin{array}{ccc}4&-1\\2&1\end{array}\right|


Ac_{11}=4\times 1- -1\times 2


Ac_{11}=4+ 2

Ac_{11}=6




Ac_{12}=-\left|\begin{array}{ccc}-7&-1\\-8&1\end{array}\right|


Ac_{12}=-(-7\times 1- -1\times -8)


Ac_{12}=-(-7- 8)

Ac_{12}=15




Ac_{21}=-\left|\begin{array}{ccc}5&3\\2&1\end{array}\right|


Ac_{21}=-(5\times 1- 3\times 2)


Ac_{21}=-(5-6)


Ac_{21}=1







A_c{23}=-\left|\begin{array}{ccc}7&5\\-8&2\end{array}\right|


Ac_{23}=-(7\times 2 -8\times 5)


Ac_{23}=-(14-40)


Ac_{23}=26




A_c{31}=\left|\begin{array}{ccc}5&3\\4&-1\end{array}\right|


Ac_{31}=5\times -1 -4\times 3


Ac_{31}=-5-12


Ac_{31}=-17


A_c{33}=\left|\begin{array}{ccc}7&5\\-7&4\end{array}\right|


Ac_{33}=7\times 4- -7\times 5


Ac_{33}=28+35


Ac_{33}=63


Therefore in increasing order, we have;

Ac_{31}=-17,Ac_{21}=1,Ac_{11}=6,Ac_{23}=26,Ac_{12}=15, Ac_{33}=63



7 0
3 years ago
Read 2 more answers
A3 + a + a2 + 5 + 7a2 + 4a - 8a2 - 6 =
mamaluj [8]

Answer:

3 + 5 − 1

explination

6 0
2 years ago
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