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umka2103 [35]
3 years ago
13

What is the size of the resulting matrix. HELP!

Mathematics
2 answers:
MissTica3 years ago
5 0

Answer:

2 by 2

Step-by-step explanation:

The first matrix is 2 x 3; that is, it has 2 rows and 3 columns.

The second matrix is 3 x 2.

Following rules of matrix multiplication,

a 2 by 3 matrix multiplying a 3 by 2 matrix results in a product with the dimensions 2 by 2.

SpyIntel [72]3 years ago
5 0

Answer:

2 x 2

Step-by-step explanation:

Multiply the first row by the first column to find a.

~theLocoCoco

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How can you find the conditional probability of A given B as the fraction of B's outcomes that also belong to A, and interpret t
liberstina [14]

The given fractions representing the conditional probability is P(A | B) = P(AnB)/P(B)

<h3>Conditional Probability</h3>

This is the probability that an event has happened given another event. If the two events are A and B, hence;

The conditional probability of A given B is expressed as:

P(A | B) = P(AnB)/P(B)

This given the fractions representing the conditional probability

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8 0
2 years ago
The sum of three numbers is 74. The third number is 2 times the first. The second number is 10 less than the first what are the
Korolek [52]

Step-by-step explanation:

let the 1st number be x

given,

2nd number = 10 less than 1st number = x - 10

3rd number = 2 times the 1st number = 2x

their sum = 74

a/q,

x + x - 10 + 2x = 74

after solving the equation,

→ x + x - 10 + 2x = 74

→ 4x - 10 = 74

→ 4x = 74 + 10 = 84

→ 4x = 84

→ x = 84/4 = 21

therefore,

1st number = x = 21

2nd number = 10 - x = 21 - 10 = 11

3rd number = 2x = 2 × 21 = 42

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7 0
3 years ago
Help me please and no links
Burka [1]

Answer:

x = -2    

x=-12

Step-by-step explanation:

5 | x+7| +14 = 39

Subtract 14 from each side

5 | x+7| +14-14 = 39-14

5 | x+7|  = 25

Divide each side by 5

5 | x+7| /5 = 25/5

| x+7|  = 5

Make two equations, one positive and one negative

x+7 =5     x+7 = -5

Subtract 7 from each side

x+7-7 = 5-7    x+7-7 = -5-7

x = -2               x=-12

7 0
3 years ago
Read 2 more answers
The fraction model below shows the steps that a student performed to find a quotient. Which statement best interprets the quotie
adoni [48]

The statement that best interprets the quotient is "there are 6( 1/4 ) two  - third in 4( 1/6 )".

In mathematics, the sum obtained by diluting two numbers is known as a quotient. The term "quotient" is used frequently in mathematics and is sometimes known as the integer portion of a division, a fraction, or a ratio.

Any integer may be used as the larger number in a fraction, which is a number that represents a percentage of the larger number. It is shaped like a denominator and a numerator.

For step 1:

The shaded part is:

4 + 1/6 = 4(1/6) = 25/6

Now, dividing the shaded part by the unshaded part,

( 25/6 ) / ( 2/3 ) = ( 25/6 ) × ( 3/2 )

( 25/6 ) / ( 2/3 ) = 25/4

( 25/6 ) / ( 2/3 ) = 6( 1/4 )

Hence, there are 6( 1/4 ) two  - third in 4( 1/6 ).

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7 0
2 years ago
(6x-5)-(7x+2) explain it please​
natka813 [3]
Simplifying
(6x + -5) + -1(7x + 2) = 0

Reorder the terms:
(-5 + 6x) + -1(7x + 2) = 0

Remove parenthesis around (-5 + 6x)
-5 + 6x + -1(7x + 2) = 0

Reorder the terms:
-5 + 6x + -1(2 + 7x) = 0
-5 + 6x + (2 * -1 + 7x * -1) = 0
-5 + 6x + (-2 + -7x) = 0

Reorder the terms:
-5 + -2 + 6x + -7x = 0

Combine like terms: -5 + -2 = -7
-7 + 6x + -7x = 0

Combine like terms: 6x + -7x = -1x
-7 + -1x = 0

Solving
-7 + -1x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + -1x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = 0 + 7
-1x = 0 + 7

Combine like terms: 0 + 7 = 7
-1x = 7

Divide each side by '-1'.
x = -7

Simplifying
x = -7
5 0
3 years ago
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