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Whitepunk [10]
3 years ago
11

Help i dunno it please please

Mathematics
1 answer:
Vladimir79 [104]3 years ago
7 0

Answer:

it takes 24 days

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The size of matrices a and b are given. Find the sizes of ab and ba whenever they are defined. (if an answer does not exist, ent
Julli [10]

We have been given two matrices a and b. A has 6 rows and 7 columns, while b has 7 rows and 8 columns.

Since we know that order matters in matrix multiplication. In order for matrix multiplication to be defined number of columns in the first matrix should be equal to the number of rows of in the second matrix.

We can see that number of columns in matrix a and number of rows in matrix b is 7.

Therefore, size of ab will be equal to number of rows of matrix a and number of columns of matrix b that is 6 by 8.

Now we will see whether ba is defined or not. We can see columns in matrix b are 8 and rows in matrix a are 6, which is not equal. So we can say that ba is not defined.

Therefore, size of ba is not defined (dne).


7 0
3 years ago
Kevin is an employee at Good Deal Electronics. The electricity is not working one day after a thunderstorm, but Kevin still has
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56

Step-by-step explanation:

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Which value is equivalent to 4
Bumek [7]

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8 0
3 years ago
Please help meeee I have 20 minutes to turn this in
lana66690 [7]

Answer:

RSU = 75.2°

Step-by-step explanation:

this is because:

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3 years ago
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Find slope of a straight line if both intercept are equal​
Juli2301 [7.4K]

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-1

Step-by-step explanation:

Let the points be <u>(0, a)</u> and <u>(a, 0)</u> (As it mentions the intercepts are equal)

==============================================================

Applying slope formula :

⇒ m = 0 - a / a - 0

⇒ m = -a/a

⇒ <u>m = -1</u>

6 0
2 years ago
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