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VashaNatasha [74]

3 years ago

7

Angie walks from the parking lot along oak trail Then to the picnic area to the pine trail how To the parking lot . how many mil

es did Angie walk ?

1 answer:

yawa3891 [41]3 years ago

4 0

Answer:

idk

d

Step-by-step explanation:I HATEB NIGERS!!!!!!!!!!!!!!!!!!!!!!

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A= [2, 3; 2, 1], B=[3; 5]. Find AB & BA if possible

oksano4ka [1.4K]

Answer:

The value of AB is $\left[\begin{array}{ccc}21\\11\end{array}\right]$ and it's not possible to multiply BA.

Step-by-step explanation:

Consider the provided matrices.

$A=\left[\begin{array}{ccc}2&3\\2&1\end{array}\right]$ , $B=\left[\begin{array}{ccc}3\\5\end{array}\right]$

Two matrices can be multiplied if and only if first matrix has an order m × n and second matrix has an order n × v.

Multiply AB

Matrix A has order 2 × 2 and matrix B has order 2 × 1. So according to rule we can multiply both the matrix as shown:

$AB=\left[\begin{array}{ccc}2&3\\2&1\end{array}\right] \left[\begin{array}{ccc}3\\5\end{array}\right]$

$AB=\left[\begin{array}{ccc}2\times 3+3\times 5\\2\times 3+1\times 5\end{array}\right]$

$AB=\left[\begin{array}{ccc}6+15\\6+5\end{array}\right]$

$AB=\left[\begin{array}{ccc}21\\11\end{array}\right]$

Hence, the value of AB is $\left[\begin{array}{ccc}21\\11\end{array}\right]$

Now calculate the value of BA as shown:

Multiply BA

Matrix B has order 2 × 1 and matrix A has order 2 × 2. So according to rule we cannot multiply both the matrix.

We can multiply two matrix if first matrix has an order m × n and second matrix has an order n × v.

That means number of column of first matrix should be equal to the number of rows of second matrix.

Hence, it's not possible to multiply BA.

5 0

3 years ago

The letters of ALABAMA and LAMB were placed on separate slips of paper and put into two different bags.

labwork [276]

Answer:

45%

Step-by-step explanation:

There are 5 A's out of a total of 11 letters which is 5/11. 5/11 as a decimal is 0.45 which, as a percentage, is 45%

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3 years ago

A pet shop has 25 dogs at the start of the year. In January, 5 dogs were sold and 3 dogs were bought. In February, 8 dogs were s

MariettaO [177]

The number of dogs the store bought in March was 10.

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4 years ago

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Vinil7 [7]

The answer would be A

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3 years ago

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A cube is intersected by a plane from the top edge of one face to the bottom edge of the opposite face as shown.

Alexandra [31]

Answer:

B

Step-by-step explanation:

a rectangle that is not a square

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3 years ago