3 years ago

Can someone please help :!

Mathematics

1 answer:

garik1379 [7]3 years ago

7 0

Answer:

minimum

Step-by-step explanation:

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2. If a polyhedron has 19 vertices and 13 faces, how many edges does it have?

Margaret [11]

Answer:

30 Edges.

Step-by-step explanation:

Euler's formula tells us that $V-E+F=2$ (Vertices - edges + faces = 2).

Plug the numbers in:

$19-E+13=2$

Solve:

$32-E=2$

$32=2+E$

$30=E$

Therefore, there are 30 edges.

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3 years ago

Use intercepts to graph the linear equation -1/2x+y=-4

ololo11 [35]

Do you need to switch it around or do something else?

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an artist is cutting pieces of ribbon to use in a project. Each piece he cuts measures 7/8 inch. The aritst cuts off 5 pieces. H

Neko [114]

It's 28/8 but if you want to simplify its 3.5

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4 years ago

NO LINKS PLEASE- OR I SWEAR-

lesantik [10]

Answer:

Step-by-step explanation:

To find the mean;

add up the data

(50+60+60+70) =240

Then divide by the number of data points

240/4 = 60

The mean is 60

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3 years ago

Find the cost per visit to the nearest cent: Health and Heart Club, $259 per year, 3 visits per week.

spin [16.1K]

Answer:

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Step-by-step explanation:

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4 years ago

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