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4 years ago

I have 12 shirts, 4 pairs of shoes, 5 pants, and 3 watches. How many days can I go without wearing the same 4 items?

Mathematics

2 answers:

Colt1911 [192]4 years ago

8 0

You can only go 3 days without wearing the same 4 items because there are only 3 watches.
Hope this helps.

Nataly [62]4 years ago

6 0

You can go 720 days without wearing the same 4 items.

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Arada [10]

Answer:

$\left[\begin{array}{ccc}16&10&39\\-32&-30&-18\\6&6&-19\end{array}\right]$

Step-by-step explanation:

Given that A = $\left[\begin{array}{ccc}-2&-4&2\\5&1&5\\-1&-3&-4\end{array}\right]$ and B = $\left[\begin{array}{ccc}2&3&-5\\5&-4&2\\-1&-1&3\end{array}\right]$ .

Therefore, BA = $\left[\begin{array}{ccc}2&3&-5\\5&-4&2\\-1&-1&3\end{array}\right]$ × $\left[\begin{array}{ccc}-2&-4&2\\5&1&5\\-1&-3&-4\end{array}\right]$ = $\left[\begin{array}{ccc}16&10&39\\-32&-30&-18\\6&6&-19\end{array}\right]$ (Answer)

For, the 1st row-1st column element is obtained by multiplying the 1st row of B matrix and 1st column of A matrix.

Similarly, the 1st row-2nd column element is obtained by multiplying the 1st row of B matrix and 2nd column of A matrix.

And so on. (Answer)

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3 years ago

Which are equivalent expressions?

ollegr [7]

Answer:

Check Below.

Step-by-step explanation:

x - y = (6 - 5)(y - x) → False

(x - y) (6 - 5) = 1 → False

x- y = (1)(x - y) → True

x - y = 1 + (x - y) → No solution, False

x - y = (6 - 5)(x - y) → True

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If you worked following times , How much total time did you work 8:15am to 10:30am and 10:40am-330pm

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Well 15 is half of 30. And there are 60 minutes in an hour. Does that help. Just go by sixty.

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Hello!

Your answer is 7.

Toodles~

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