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xeze [42]
2 years ago
5

Find the numbers of faces, edges, and vertices of the solid.

Mathematics
1 answer:
deff fn [24]2 years ago
7 0

Answer:

  • 7 faces
  • 15 edges
  • 10 vertices

Step-by-step explanation:

This is a counting problem. As with many counting problems, it is helpful to adopt a strategy that helps ensure you count everything only once.

__

<h3>Faces</h3>

There are two pentagonal faces and 5 rectangular faces for a total of ...

  7 faces

__

<h3>Edges</h3>

There are 5 edges around each of the pentagonal faces, and 5 edges connecting the top face to the bottom faces, for a total of ...

  15 edges

__

<h3>Vertices</h3>

There are 5 vertices on the top face, and 5 on the bottom face, for a total of ...

  10 vertices

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Answer:

80

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3 years ago
What is the absolute value of 2 1/2<br><br> Write your answer as a mixed number.
Greeley [361]

Answer:

it is 2 1/2

Step-by-step explanation:

I hope this helps

6 0
3 years ago
The simple interest due on a 6-month loan of $2,500 is $125. What is the monthly payment on the loan?
Elina [12.6K]
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8x+3y= 28 and 7x-3y=2<br>solve for x and y simontaniasly using elimination ​
EleoNora [17]

Answer:

x=2, y=4

Step-by-step explanation:

When using elimination, the objective is to elimate one variable. In this case, we see that "y" can easily be eliminated by adding the two equations together since you will get 3y + (-3y) which will eliminate y because the value would become 0, letting us solve for x.

\left \{ {{8x+3y=28} \atop {7x-3y=2}} \right. +\\

Then we get

15x =30, because the y's will eliminated, and 8x+7x is 15x, and 28+2 is 30.

Then divide by 15 on both sides and you get x=2

If x=2, then we can substitute that value into any of the previous given equations and find the value of y.

8×2 +3y = 28

16+3y=28

3y=12

y=4

So the answer to your system of equations would be x=2, and y=4

You can substitute the answers we found to see that they satisfy the equation.

Hope this helped.

6 0
3 years ago
Which of these number is an integer? A. −4.0 B. 1.50 C. -5/8 D. infinity
NNADVOKAT [17]
<span>−4.0 is an integer.

hope it helps</span>
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3 years ago
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