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2 years ago

How many rows and columns are in a 4x3 matrix?(simple question)

Mathematics

1 answer:

alisha [4.7K]2 years ago

6 0

Hey there!

$Answer:\boxed{\text{4 rows and 3 columns}}$

$Explanation:$

A matrix has 4 rows and 3 columns. 4 rows means it has 4 system of equations and 3 columns means 3 variables in the system of equations. 3 columns means like x, y, z.

Hope this helps!

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3 years ago

9. In a rhombus whose side measures 34 and the smaller angle is 42°. Find the length of the larger diagonal, to the nearest tent

Veseljchak [2.6K]

Answer:

63.5

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Using the law of cosines we get

$x^{2} = 34^{2} + 34^{2} -2(34)(34) cos 138\\ = 1156 + 1156 - 2312 cos 138\\ = 4030.150837...\\x = \sqrt{4030.150837} = 63.48$ $x^{2} = 34^{2} + 34^{2} -2(34)(34)cos 138\\ = 1156 + 1156 - 2312 cos 138\\ = 4030.1508...\\ x = \sqrt{4030.1508} \\ = 63.48$ x^2 = 34^2 + 34^2 - 2(34)(34) cos 138

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2 years ago

How many rows and columns are in a 4x3 matrix?(simple question)​

How many rows and columns are in a 4x3 matrix?(simple question)