Use euler’s formula to find the missing number.
edges: 37
faces: 25
vertices: ?

Euler formula is a formula created by the famous mathematician, Leonhard Euler which establishes the relationship between the trigonometric functions and the complex exponential function. According to the rule, the vertices +faces - edges = 2 

V + 25 - 37 = 2

V then is equal to 14

Number of vertices = 14

Step-by-step explanation:

Let e be the number of edges, f be the number of faces and v be the number of  vertices.

As per the statement:  

Number of edges(e) = 37

Number of faces(f) = 25

We have to find number of vertices.

Using Euler's formula:

Substitute the values we have;

⇒

Add 12 to both sides we have;

v = 14

Therefore, the number of vertices = 14

step-by-step explanation:

always plug in x. in this case, x equals 4.

i'm going to first solve 4(2+3x)

1) 4(2+3(4)) use pemdas to solve.

i'm going to multiply whats in the parenthesis first, so 3 times 4=12.

2)4 (2+12) i'm then going to multiply 4 by both numbers in the parenthesis (because multiplying comes before adding)

4 times 2= 8.   4 times 12= 48

4) (8+48)= 56 (answer)

i'm then going to solve 8+12x and plug in 4 for x.

1) 8 +12(4)

multiplying comes before adding, so i'm gonna multiply 12 and 4.

12 times 4= 48.

2) 8+48=56

both equal the same!

i think the answer is true

step-by-step explanation: