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jekas [21]
2 years ago
14

Pls answer the questions (all)

Mathematics
1 answer:
bearhunter [10]2 years ago
4 0

Answer:

1;no

2; i don^t know

3;c

4;12

5:20

Step-by-step explanation:

reasons

1:sum of all side of triangle is 180 degree(here is 220)

3: try in copy and u will able to solve

4:first of all make 9 cm as shown in figure and draw 15 . finally measure the remaining side.

5: 3y+5y+y=180

    9y=180

      hence,y=20

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Then x=9*4
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Meaning, there would be a ratio of 36 beads to 9 beads
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3 years ago
A park is in the shape of a rectangle 2 miles long and 1.5 miles wide. How much shorter if you walk diaganolly across the park r
Nimfa-mama [501]
You can answer this by using Pythagoras theorem. Okay, let me draw this first.

            2 miles
               V
________________________
|                                        |
|                                        |
|                                        |   << 1.5 miles
|_______________________|  

^ Assume this is the rectangle. The long side is 2 miles while the shorter side is 1.5 miles.

So, to get the shortest distance, let's cut out a triangle from the rectangle. 

                                                         /|
                                                       /  |
                                                     /    |
What we want to find is this one >  /      |  << 2 miles
                                                  /        |
                                                /______|
                                                   ^ 1.5 miles (I know the size is not logical,but imagine                                                                       it please)

So to get the diagonal length = \sqrt{{a^{2} }+ b^{2}}
                                          =  \sqrt{{2^{2} }+ 1.5^{2}}
                                          =  2.5 miles

To calculate how much shorter = ( 2 miles + 1.5 miles) - 2.5 miles
                                             = 3.5 miles - 2.5 miles
                                             = 1.0 miles

Hope this help !
8 0
3 years ago
Read 2 more answers
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