There are 12 ducks and 15 geese swimming n a pond. What is the ratio of the geese and all the birds in the pond?

Mathematics

2 answers:

vampirchik [111]3 years ago

8 0

12/12346=3
15/135=5

hope that make you happy

Shtirlitz [24]3 years ago

6 0

12:15 which can be simplified to 4:5

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there are 36 capenters in a crew. Ona certain day,29 were present .What percent showed up for work?[round to the nearest tenth

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Answer:

Step-by-step explanation:

We assume, that the number 36 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 100% equals 36, so we can write it down as 100%=36.

4. We know, that x% equals 29 of the output value, so we can write it down as x%=29.

5. Now we have two simple equations:

1) 100%=36

2) x%=29

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

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6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

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Answer please VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV

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$\left[\begin{array}{ccc}3 & 9 \\\\ 5& -2\end{array}\right]+\left[\begin{array}{ccc}6 & 0\\\\ \!\!-8 & 4\end{array}\right]=\left[\begin{array}{ccc} 3+6 & 9+0 \\\\5-8 &-2+4 \end{array}\right] =\left[\begin{array}{ccc} 9& 9 \\\\ -3 & 2\end{array}\right]$