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Cloud [144]
3 years ago
10

Please help with 3,4,5

Mathematics
1 answer:
krek1111 [17]3 years ago
4 0

Answer:

It is easy he will get 1$

Step-by-step explanation:

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Simplify the following expression,<br><br> 2(k - 9) + 12
Phoenix [80]

Answer:

2k - 6

Step-by-step explanation:

Distribute:

2k - 18 + 12

Add:

2k - 6

8 0
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Find the perimeter of the polygon. Please help
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The table reflects the prices at Strike-O-Rama Bowling Alley.
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A city is located at an elevation that is below sea level. what is a possible elevation for that city?
kvv77 [185]
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If a polyhedron has 5 faces and 7 vertices, then it must have how many edges? Please show step-by-step work
Juli2301 [7.4K]

Answer:

10 edges

Step-by-step explanation:

we know that

The Euler's formula state that: In a polyhedron, the number of vertices, minus the number of edges, plus the number of faces, is equal to two

V - E + F = 2

in this problem  we have

V=7\\E=?\\F=5

substitute the given values

7 - E + 5 = 2

solve for E

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12 - E = 2

subtract 12 both sides

- E = -10

Multiply by -1 both sides

E =10

8 0
2 years ago
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