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1 year ago

A=[37], B =[²7], C = [= ² =8]. Which matrix represents (A - B) - C?

Mathematics

2 answers:

tatuchka [14]1 year ago

6 0

5 7
7 4

Please mark brainliest

ELEN [110]1 year ago

6 0

Solution:
Step 1: Solve the bracket my subtracting matrix A from matrix B
( 5 -8 _ ( 2 -9 = ( 3 1
3 0) 1 0) 2 0)

Step 2: Subtract the resultant matrix from A and B from Matrix C
( 3 1 _ (-2 -6 = (5 7
2 0) -5 -4) 7 4)

Therefore the resulting solution of matrix (A-B)-C is (5 7
7 4)

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Answer:

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Step-by-step explanation:

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2 years ago

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2 years ago

The length of a rectangle is 3 m less than twice the width if the area of the rectangle is 66 5 m² find the dimensions

goblinko [34]

Let the width be x.

Then,Length = ( 2x - 3 ) m

According to the question,

Area of rectangle = 665 m² [ Given ]

Formula: Area of rectangle = Length × Width

$\sf \implies \: length \: \times breadth = 665 \: m {}^{2}$

$\sf\implies \: (2x - 3) \times x = 665$

$\sf \implies \: 2 {x}^{2} - 3x = 665$

$\sf \implies \: {2x}^{2} - 3x - 665 = 0$

By split middle term

$\sf \implies \: 2 {x}^{2} - 38x + 35x - 665 = 0$

$\sf\implies \: 2x(x - 19) + 35(x - 19) = 0$

$\sf \implies \: (2x + 35) = 0 \: or \: (x - 19) = 0$

$\sf \implies \: x = \dfrac{ - 35}{2} \: or \: \: x = 19 \:$

Note: Ignore negative number.

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2 years ago

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vlabodo [156]

Use math induction proof method will be usefully

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suppose true for n=k and prove for k = k+1

hope this will help you

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2 years ago

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lawyer [7]

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