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AleksandrR [38]
2 years ago
14

8 / (-8) = ? Could you guys help i am bad at math

Mathematics
2 answers:
timurjin [86]2 years ago
4 0

Answer:

-1

Step-by-step explanation:

Anything divided by itself is going to be 1 and since we are dividing it into a negative number its going to be a negative output so the answer would be -1

djverab [1.8K]2 years ago
4 0

Answer:

-1

Step-by-step explanation:

you can write 8/(-8) as -(8/8) as they would share the negative (both numerator and denominator).

Then solve, 8/8 = 1 so -(8/8) is -1.

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Plz need helpkkkkkssosp
Sholpan [36]
All of these answers are right
4 0
3 years ago
Is matrix multiplication comutative?
konstantin123 [22]

Answer:

Matrix multiplication is not conmutative

Step-by-step explanation:

The matrix multiplication can be performed if the number of columns of the first matrix is equal to the number of rows of the second matrix

Let A with dimension mxn and B with dimension nxp represent two matrix

The multiplication of A by B is a matrix C with dimension mxp, but the multiplication of B by A is can't be calculated because the number of columns of B is not the number of rows of A. Therefore, you can notice that is not conmutative in general.

But even if the multiplication of AB and BA is defined (For example if A and B are squared matrix of 2x2) the multiplication is not necessary conmutative.

The matrix multiplication result is a matrix which entries are given by dot product of the corresponding row of the first matrix and the corresponding column of the second matrix:

A=\left[\begin{array}{ccc}a11&a12\\a21&a22\end{array}\right]\\B= \left[\begin{array}{ccc}b11&b12\\b21&b22\end{array}\right]\\AB = \left[\begin{array}{ccc}a11b11+a12b21&a11b12+a12b22\\a21b11+a22b21&a21b12+a22b22\end{array}\right]\\\\BA=\left[\begin{array}{ccc}b11a11+b12a21&b11a12+b12a22\\b21a11+b22ba21&b21a12+b22a22\end{array}\right]

Notice that in general, the result is not the same. It could be the same for very specific values of the elements of each matrix.

6 0
2 years ago
What is the length of the base of a right triangle with an area of 20 m and a height of 4 m?
fenix001 [56]

Answer: 5 m

Step-by-step explanation:

height x base = area

4x=20

x=20÷4

x=5

base= 5m

4 0
3 years ago
The height of a sunflower plant varies directly with its age. Once it has sprouted from the ground, when a sunflower is 2 week o
KonstantinChe [14]

Answer:

66.5

Step-by-step explanation:

38/2 = 19

114/6 = 19

19 x 3.5 = 66.5

7 0
3 years ago
Read 2 more answers
Problem page ravi runs 7 miles in 80 minutes. at the same rate, how many miles would he run in 64 minutes?
aleksandr82 [10.1K]
5.6mile

7 x
-- = --
80 64

7×64=80x
448=80x
x=5.6
3 0
3 years ago
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