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3 years ago

Which one is bigger negative 30 or negative 0 ,95

1 answer:

3 0

-30 is the bigger negative number. Because the -30 is on the left of the 0.95 on the real number axis.

<h3>What is a negative number?</h3>

A negative number indicates the polar opposite. A negative number is one that is less than zero in the real number system.

-30 is the bigger negative number. Because the -30 is on the left of the 0.95 on the real number axis.

Negative numbers are on the x-axis to the left of the origin and on the y-axis to the right of the origin.

Hence -30 is the bigger negative number.

To learn more about the negative number, refer to the link;

brainly.com/question/258076

#SPJ1

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3 years ago

Find the inverse of the matrix <img src="https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D9%26-2%5C%5C-10%269%5C%5C

valentinak56 [21]

Answer:

The answer is (b)

Step-by-step explanation:

* Lets check how to find the inverse of the matrix,

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* To know if the inverse of the matrix exist find the determinant

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* How to find the determinant

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Ex: If the matrix is $\left[\begin{array}{ccc}a&b\\c&d\end{array}\right]$

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- After that lets swap the positions of a and d, put negatives

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* Lets do that with our problem

∵ The determinant = (9 × 9) - (-2 × -10) = 81 - 20 = 61

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∴ The inverse is $\frac{1}{61}\left[\begin{array}{ccc}9&2\\10&9\end{array}\right]$ =

$\left[\begin{array}{ccc}\frac{9}{61}&\frac{2}{61}\\\frac{10}{61} &\frac{9}{61}\end{array}\right]$

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3 years ago

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