2 years ago

Is 2 between 1.3 an 1.4

Mathematics

2 answers:

nikdorinn [45]2 years ago

5 0

No it is not your welcome ;)

ser-zykov [4K]2 years ago

4 0

Nope because 1.3 and 1.4 comes before 2 so it can't be between them

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vivado [14]

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Step-by-step explanation:

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2 years ago

Please help! Correct answer only, please! Consider the matrix shown below: Find the inverse of the matrix A: (i.e Find A^-1).

lina2011 [118]

Answer: a)

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Matrix multiplication is the sum of Row 1 (of first matrix) x Column 1 (of second matrix) ...repeat for each row.

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$A=\left[\begin{array}{cc}5&2\\3&-1\end{array}\right] \qquad \times \qquad A^T=\left[\begin{array}{cc}5&3\\2&-1\end{array}\right] \\\\\\= \left[\begin{array}{cc}5(5)+2(2)&5(3)+2(-1)\\3(5)+(-1)(2)&3(3)+(-1)(-1)\end{array}\right] \\\\\\= \left[\begin{array}{cc}29&13\\13&10\end{array}\right]$