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rewona [7]
3 years ago
13

Four more than a number

Mathematics
2 answers:
ryzh [129]3 years ago
8 0

Answer:

I assume you're referring to an x-variable to hold in place of that number.

So the expression would be x + 4.

Hope this helps.


Delvig [45]3 years ago
5 0

Answer: 4>x


Step-by-step explanation: first you want to decide if it is asking for less than or greater than. then you will want to put it in the inequality format as shown above. there is two ways you could write it (one way is 4>x the other way is x<4)


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Step-by-step explanation:

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You can factor this
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kirza4 [7]

Answer:

The products of AB and BA is given by

AB=\left[\begin{array}{cc}21&-6\\ 9&3\end{array}\right]

BA=\left[\begin{array}{cc}9&-1\\-18&15\end{array}\right]

Step-by-step explanation:

Given the matrices A=\left[\begin{array}{cc}6&-5\\-3&-4\end{array}\right] and

B=\left[\begin{array}{cc}1&-1\\-3&0\end{array}\right]

To find the product AB and BA

AB=\left[\begin{array}{cc}6&-5\\-3&-4\end{array}\right] \left[\begin{array}{cc}1 & -1\\-3 &0\end{array}\right]

=\left[\begin{array}{cc}6+15& -6+0\\-3+12&3-0\end{array}\right]

Therefore the product of AB is

AB=\left[\begin{array}{cc}21&-6\\ 9&3\end{array}\right]

BA=\left[\begin{array}{cc}1&-1\\-3&0\end{array}\right] \left[\begin{array}{cc}6&-5\\-3&-4\end{array}\right]

=\left[\begin{array}{cc}6+3& -5+4\\-18+0&15+0\end{array}\right]

Therefore the product of BA is

BA=\left[\begin{array}{cc}9&-1\\-18&15\end{array}\right]

The products of AB and BA is given by

AB=\left[\begin{array}{cc}21&-6\\ 9&3\end{array}\right]

BA=\left[\begin{array}{cc}9&-1\\-18&15\end{array}\right]

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Step-by-step explanation:

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It would be the second choice
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Read 2 more answers
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