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Studentka2010 [4]
3 years ago
13

This table shows numbers of sweets in some tubes, but a coffee stain has deleted one of the figures.

Mathematics
1 answer:
svlad2 [7]3 years ago
6 0
To get the answer, you need to think of it like a see-saw.
Both sides must equal the same relative to 33.5. For example, 32 is 1.5 away from 33.5 so you could say you have 1.5*4 (because theres 4 tubes with 32 sweets). If you were to do this for the whole table, it would look something like this:

(1.5*4)+(0.5*x)=(0.5*9)+(1.5*1)+(2.5*1)

This simplifies to:

6+0.5x=8.5
0.5x=2.5
x= \frac{2.5}{0.5}
x=5

This method can sometimes be inefficient depending on how many values but is probably the simplest way to solve this problem.

hope this helps :)

(sorry the other way is kinda hard to explain possibly ask your teacher tomorrow)
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Answer:

Question 2: 4th answer, Question 3: 3rd answer

Step-by-step explanation:

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How do you set up a proportion or percent bar to solve this problem? at a local amusement park, 70% of the rides are made for ki
Evgesh-ka [11]
Proportion
<u>
</u>Part    <u>  x</u>    =   <u>70</u>%            100·x = 100x      80·70 = 5600
Whole 80        100%

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3 0
3 years ago
A bottle contains 2 liters of water. The bottle leaks 80 milliliters of water every 3 minutes. Will the bottle be empty in an ho
Aleksandr-060686 [28]

Answer:

No

Step-by-step explanation:

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5 0
2 years ago
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Leviafan [203]

Answer:

An artist use 51.9 feet of string for constructing a piece of art in the shape of rectangle

Step-by-step explanation:

Here an artist is constructing a piece of art in the shape of rectangle having length 12 feet & width of 7 feet

Since the artist wants to use string to tightly tie each vertex of rectangle to the other three vertices. Hence one string will tie in a diagonal way

Hence total length of string will be

Total length = Perimeter of rectangle  +  length of diagonal

Perimeter of rectangle  = 2( length + width ) = 2 ( 12 + 7 ) = 2 x 19 = 38 feet

Length of diagonal given by Pythagoras theorem

\mathrm{Length =   {  \left(  { a  }^{ 2  }  + { b  }^{ 2  }    \right)    }^{ 0.5  }     =    {  \left(  { 12  }^{ 2  }  + { 7  }^{ 2  }    \right)    }^{ 0.5  }     = 13.89244\:\:feet}

Hence

Total length = Perimeter of rectangle  + length of diagonal

Total length = 38 feet + 13.89244 feet = 51.9 feet

Hence an artist use 51.9 feet of string for constructing a piece of art in the shape of rectangle

4 0
2 years ago
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