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2 years ago

How many different pairs of regular polygons can be made with 16 toothpicks? WILL MARK BRAINLIEST 35 POINTS!

Mathematics

2 answers:

telo118 [61]2 years ago

8 0

Answer:

Step-by-step explanation:

We can make:

A 3 sided shape and a 13 sided shape (3 + 13 = 16)

A 4 sided shape and a 12 sided shape (4 + 12 = 16)

A 5 sided shape and an 11 sided shape

A 6 sided shape and a 10 sided shape

A 7 sided shape and a 9 sided shape

2 8 sided shapes

Therefore the answer is 6.

vlabodo [156]2 years ago

5 0

<h3>the shapes which can be made are :</h3>

triangle (3 sides)
square (4 sides)
Pentagon (5 sides )
hexagon (6 sides )
septagon (7 sides )
octagon ( 8 sides )
nonagon (9 sides
decagon (11 sides )
endecagon (12 sides)
dodecagon (13 sides )
triskaidecagon (14 sides )

<h3 /><h3 /><h3>and so on....</h3><h3>till the polygon with 16 sides</h3><h3>so we can make 13 sides</h3>

<h2>hope it helped :-)</h2><h3>please mark me as brainliest</h3>

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the temperature is 75 degrees fahrenheit. if the temperature decreases 15 degrees, what is the new temperature

lisabon 2012 [21]

Answer: 60 degrees!

Step-by-step explanation:

75 - 15 = 60

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2 years ago

Is (a + b) and (a - b)? perfect square trinomials?<br> O True<br> O False

lisabon 2012 [21]

Answer:

False

Step-by-step explanation:

Pos and negs cannot be perfect square trinomials

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2 years ago

Read 2 more answers

12 subtract 2 times 5 plus 7

Sever21 [200]

12 subtract 2 times 5 plus 7 is 9

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3 years ago

What are ALL the factors of 15

Sophie [7]

1&15 and 3&5 are factors of 15

3 0

2 years ago

Combine the following fractions. <br><br> a. 3/5 + 4/15 <br><br><br> b. 5/6 - 1/4

Ne4ueva [31]

Hello there! :)

Answer:

1. $\boxed{\frac{13}{15} }$

2. $\boxed{\frac{7}{12} }$

Step-by-step explanation:

1. 3/5+4/15

First, you multiply by numerator and denominator.

3*3=9

5*3=15

$=\frac{9}{15}$

Then, you had to combine by the fractions.

$\frac{9}{15}+\frac{4}{15}$

Add by the numbers from left to right.

9+4=13

<u><em>13/15 is the final answer.</em></u>

______________________________________________

2. 5/6-1/4

First, you multiply by 2 both sides of numerator and denominator.

5*2=10

6*2=12

10/12

3/12

$\frac{10}{12}-\frac{3}{12}$

Subtract by the numerator.

10-3=7

<em><u>7/12 is the final answer.</u></em>

______________________________

Hope this helps!

Thanks!

Have a nice day! :)

-Charlie

7 0

2 years ago