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Kamila [148]
3 years ago
9

The ratio of keepers to animals in the city zoo is 2 : 7. The table shows the current numbers of animals and keepers in the zoo.

If 21 more animals are added, how many total keepers are needed to maintain the ratio of keepers to animals?
Mathematics
2 answers:
9966 [12]3 years ago
5 0

Answer:

The answer is 18 keepers

Step-by-step explanation:

agasfer [191]3 years ago
4 0
2:7                                                (\frac{12}{42} = \frac{2}{7})
12:42

42 + 21 = 63 animals
63/7 = 9
9 x 2 = 18

The answer is 18 keepers
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OlgaM077 [116]
The first thing we must keep in mind is that there are 2 bags left over.
 Therefore, Luis distributed:
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 The number of bags will be:
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 Substituting we have:
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 Answer:
 
Luis distributed milk for 19 stores.
8 0
3 years ago
Very short answer type questions:. (5×2=10)
Vilka [71]
Adivasi 4:367 on edge
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Simplify the following completely, show all work.<br><br>4 + ✓-27​
V125BC [204]

Answer:

4+3i\sqrt{3}

Step-by-step explanation:

the \sqrt{-27} needs to be simplified

first, I broke it down to\sqrt{-1} and \sqrt{27}

\sqrt{-1} simplifies to i ;and  can be broken down to \sqrt{9} and \sqrt{3}

\sqrt{9} can be simplified further to 3

Now all you have to do is put it together

4(which you didnt have to do anything to)+ 3i( 3 from the sqrt of 9 and i from the sqrt of -1) sqrt 3( which cant be simplified further)

8 0
3 years ago
10
kolezko [41]
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6 0
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Given m parallel to n, find the value of x, (7x+14) and (9x-8)
iVinArrow [24]

Answer:

x=11

Step-by-step explanation:

(7x+14)=(9x-8)

7x-9x=-14-8

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8 0
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