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geniusboy [140]
3 years ago
9

Use Euler's formula to find the missing number.

Mathematics
2 answers:
Mrac [35]3 years ago
4 0

Euler's Formula states that:

V-E+F=2

where V is the number of Vertices, E is the number of Edges and F is the number of Faces. We have also been given that the number of vertices is 15 and the number of Edges is 24 . We have been asked to find the number of Faces, F.

The Euler's formula can be rearranged to to isolate F as:

F=2-V+E

Substituting the values we get:

F=2-15+24=11

Thus, option C is the correct option.

frez [133]3 years ago
3 0
Vertices: 15
Edges:24
Faces:?
Their are 12 faces

The Answer is D
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Please help me solve this
bonufazy [111]

Answer:

A

Step-by-step explanation:

30% of 4

4÷100=0.04

0.04×30=1.2

8 0
2 years ago
HELP!!!! PLEASEEEE!!!! Janet makes homemade dolls. Currently, she produces 23 dolls per month. If she increased her production b
oksian1 [2.3K]
First, calculate 18% of 23.
23 x 0.18 = 4.14
Then, add this value (the increase) to the original value of 23.
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6 0
3 years ago
Read 2 more answers
141 is what percent of 94?
Alexxandr [17]

Answer:

150%

Step-by-step explanation:

141/94 =

141 ÷ 94 =

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5 0
2 years ago
PLEASE HELP ME
earnstyle [38]
So here you're using system of equations. You can solve systems by graphing, elimination, or substitution. Ill use substitution. First lets solve for x. take the second equation and add y to both sides to get x by itself:
x - y = 75
x = y + 75 now plug y+75 in for x in the first equation
x + y = 743
(y +75) +y = 743 solve for y
2y +75 = 743 subtract 75
2y = 668 divide both sides by 2
y = 334
now plug this into any of the 2 equations to solve for x i chose the second one
x - y = 75
x - 334 = 75  add 334 to both sides
x = 409
This means x, sold before the tournament is 409 and y, sold at the door is 334. That means the assistant is wrong and accidentally flipped the two answers
8 0
3 years ago
Read 2 more answers
Solve for x: 3x²-243<br>​
mylen [45]

3x²–243=0 —> 3 (x²–81) = 0 —>

x²–81=0 —> (x-9)(x+9)=0

x-9=0 —> x=9

x+9=0 —> x=–9

I hope I helped you^_^

7 0
3 years ago
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