All categories

3 years ago

Help

1 answer:

3 0

Use the following formula valid fo every polyhedron.

v-e+f=2

Search for Euler characteristic, or Euler-Poicare characteristic for more depth about this formula 

v= number of vertices

e=number of edges

f=number of faces

You get v=13

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

You might be interested in

Stan has a rectangular piece of carpet with an area of 23.4 square meters. The piece of carpet is 13 meters long. What is the wi

Sholpan [36]

Answer:

The breadth of rectangular carpet is 1.8 m.

Step-by-step explanation:

We have,

The area of rectangular carpet that is 23.4 m²
The length of carpet is 13 m.

We know that,

= Area of rectangle = Length × Breadth

= 23.4 = 13 × Breadth

= 23.4/13 = Breadth

= 234/130 = Breadth

= 1.8 m = Breadth

3 0

3 years ago

show three ways to estimate 3/5 ×9 1/2. identify each method you use. ( I have estimating and compatible. another one is what I

Iteru [2.4K]

12 because I said so :)

6 0

3 years ago

Javier asks his mother how old a tree in their yard is. His mother says, “The sum of 10 and two-thirds of that tree’s age, in ye

Vaselesa [24]

Answer:

Javier's equation is not correct because the variable "a" should be multiplied by only and then added to

Step-by-step explanation:

Let

a------>is the tree’s age in years

we have that

-------> Javier's equation

we know that

The equation that represent the situation is equal to

Solve for a

Multiply by both sides

Javier's equation is not correct because the variable "a" should be multiplied by only and then added to

6 0

3 years ago

Read 2 more answers

Jimmy is cutting old rope to make homemade rugs. Each rug has long pieces and short pieces. Complete questions 1011.

Svetllana [295]

Answer:

long pieces 126 Short pieces 21

Step-by-step explanation:

18+18+18+18+18+18+18=126

3+3+3+3+3+3+3=21

hope this helped <3

3 0

3 years ago

Lin ride her bike 20 miles in 15 minutes. If she rode at constant speed what is the unit rate and how do you know ?

Varvara68 [4.7K]

$v=\frac{d}{t} \ \ \where: v=spped \ \ \ d=distane \ \ \ \ t=time\\
\\
\boxed{v=\frac{20 \ mi}{\frac{1}{4} \ h}=20*4=80 \ mi/h}$

6 0

3 years ago