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shtirl [24]
1 year ago
8

Can someone help me find the answer to the following?

Mathematics
1 answer:
Ludmilka [50]1 year ago
5 0

To solve this, we'll use Euler's Polyhedral formula.

This formula states that in any polyhedron, the number of vertices V, faces F, and edges E, satisfy:

V+F-E=2

If we solve for the edges E, we'll get:

V+F-2=E

Using the data given,

\begin{gathered} V+F-2=E \\ \rightarrow6+8-2=E \\ \rightarrow12=E \end{gathered}

We get that the polyhedron would have 12 edges

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Which of the following is an infinite series?
Brut [27]
<h3>Answer: Choice C)  2 - 6 + 18 - 54 + ...</h3>

Explanation:

The three dots or ellipses indicate the pattern goes on forever to infinity. So the answer is between choices A and C based on this alone. Choice A is a sequence while choice C is a series. A sequence is simply a list of values often in some kind of mathematical pattern. A series is where you add values from a sequence together. This distinction rules out choice A and makes choice C the answer.

Note: choice C is a geometric series with first term 2 and common ratio -3. The infinite series diverges because r = -3 is outside the range -1 < r < 1.

4 0
3 years ago
Choose the correct simplification of the expression (−2x + 4y)(3x − 7y).
Nadya [2.5K]
(-2x + 4y)(3x - 7y) = -6x^2 - 28y^2 + 12yx
3 0
3 years ago
Read 2 more answers
I NEED HELP ASAPPPP PLSSSSSSSS
Zolol [24]

Answer:

I believe the correct answer is D

5 0
3 years ago
A rectangular plot of ground is 10 meters longer than it is wide. It’s area is 20,000 square meters what equation will help find
kow [346]
If x=width, then the equation would be:

x(x+10)=20,000

The length is 10 meters longer than the width(x), so the length is x+10.
To get the area(20,000) you multiply width by length, hence x(x+10).

Hope this helps.


3 0
3 years ago
6÷1/5 =<br> A. 1 1/5 <br> B. 1/5<br> C. 5/36<br> D. 30
trasher [3.6K]

Answer:

<em>D. 30</em>

Step-by-step explanation:

6  ÷  1/5 <em>-given expression</em>

6  x  5   <em>-use the </em><em>keep, change, flip </em><em>method, where you</em><em> keep</em><em> the </em><u><em>first </em></u><em>number, </em><em>change</em><em> the </em><u><em>division sign</em></u><em> to a </em><u><em>multiplication sign</em></u><em>, and </em><em>flip</em><em> the f</em><u><em>raction</em></u><em> that comes after the symbol.</em>

<em>6 x 5 = 30</em>

<em>30 is the answer</em>

3 0
3 years ago
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