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zavuch27 [327]
3 years ago
9

Tim has a scale model of an airplane which says it is in a 1:15 ratio. What does that mean?

Mathematics
1 answer:
Aleks [24]3 years ago
6 0

Answer:

1/15

Step-by-step explanation:

I think that it means Tim's model airplane is 1/15 the size of the airplane that it is a model of

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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
During a sale at a furniture store, sofas were marked down 30%. You have a coupon for an additional 15% off. What is the final p
mrs_skeptik [129]

Answer:

327.25

Step-by-step explanation:

550*0.7=385

385*0.85=327.25

!!! MUST REMEMBER!!!

dont add 30% and 15% together, 15% is another discount on the price that has been marked down.

7 0
2 years ago
A store sells three types of note cards. There are three sizes of each type. Show two ways to find the total number of note card
antoniya [11.8K]
There are three types of each note cards and three sizes of each type, the sizes dont matter. So you could say 3 times 3 equals 9.                                                                                                                                                                                                                                                          Answer: (you add 3, 3 times equals 9) or say (3 times three equals 9)
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3 years ago
Why is finding the factor pairs only the first step in solving the problem
Oksi-84 [34.3K]
So you can know which pair to use in order to solve the problem.
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3 years ago
if jesus can walk on water and I can walk on watermelon which is 90 percent water does that make me 90 percent jesus?
melamori03 [73]
Yes!

step by step explanation: 90
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2 years ago
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