2 years ago

What is the sum of 7/9 plus 3/5

Mathematics

2 answers:

Ivan2 years ago

8 0

Answer:

$\frac{62}{45}$

Step-by-step explanation:

forsale [732]2 years ago

4 0

62/45 your welcome girl or boy lol

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Simplify the expression 4(x+y) + 3y

Anuta_ua [19.1K]

Answer:

4x + 7y

Step-by-step explanation:

4(x+y) + 3y

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3 years ago

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ale4655 [162]

Answer:

$\left[\begin{array}{cc}0&-1\\-1&0\\-1&-1\end{array}\right]$

Step-by-step explanation:

In this question we have to subtract the corresponding entries of column of matrix 1 and the matrix 2 corresponding entries

$=\left[\begin{array}{cc}-1&0\\1&-2\\1&3\end{array}\right]-\left[\begin{array}{cc}-1&1\\2&-2\\2&4\end{array}\right] \\=\left[\begin{array}{cc}-1-(-1)&0-1\\1-2&-2-(-2)\\1-2&3-4\end{array}\right]\\=\left[\begin{array}{cc}-1+1&-1\\-1&-2+2\\-1&-1\end{array}\right]\\=\left[\begin{array}{cc}0&-1\\-1&0\\-1&-1\end{array}\right]$