If the number of the edges of the polyhedron is 14 and the vertices are 9. Then the number of the faces of the polyhedron is 7.
<h3>What is a
polyhedron?</h3>
A polyhedron is a solid made composed of polygons in three dimensions. It has vertices, flat faces, and straight edges.
We know the Euler's formula
F + V - E = 2,
where, F = number of faces, V = number of vertices, and E = number of edges
Edges: 14
Vertices: 9
F + 9 - 14 = 2
F = 14 + 2 - 9
F = 16 - 9
F = 7
Then the number of the faces of the polyhedron is 7.
More about the polyhedron link is given below.
brainly.com/question/2321456
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Answer:
€2.24
Step-by-step explanation:
Let, the potatoes be x and apples be y
A/c to question,
4x = 3.80
x = 0.95
And,
3x + 2y = 7.33
3*0.95 + 2y = 7.33
2y = 7.33 - 2.85
y = 4.48/2
y = €2.24
Hence, the cost of 1 kg apple (y) = €2.24
Answer:
Step-by-step explanation:
how the prices at Payless compared to the prices
at Famous Footwear. At each store, they randomly
selected 30 pairs of shoes and recorded the price of
each pair. The table shows summary statistics for
the two samples of shoes.28
Store
Mean
SD
Famous Footwear
$45.66
$16.54
Payless
$21.39 $7.47
Do these data provide convincing evidence at the
0.05 significance level that shoes cost less
, on
average, at Payless than at Famous Footwear?
a =
Answer:
4 × 2 + 20×
Step-by-step explanation:
please your questions are mixed up
Answer:
H
Step-by-step explanation:
The additive inverse property states that x-x=0, or x+(-x). The property that represents this is H.
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