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inessss [21]
4 years ago
12

Is a cube a polygon? Why or why not?

Mathematics
2 answers:
Elan Coil [88]4 years ago
5 0

no because it isn't 2 dimensional. it is actually considered a polyhedron (a solid figure with flat sides)
SOVA2 [1]4 years ago
4 0
No, because a polygon has to be vertical and a cube is straight.
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PLZ HELP I WILL MARK THE BRAINIEST slove for x on each problem
dem82 [27]

Answer:

1-141

2-39

3-139

4-98

5-102

6-50

7-74

8-83

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10-162

Step-by-step explanation:

6 0
4 years ago
Not sure how to solve these :(
noname [10]

Answer:

The decimal form of 5/8 is 0.625

All you have to to is divide numerator by denominator

Ur percent would be 63% if rounded

If not then its 62%

5 0
4 years ago
A necklace found at a pawn shop is 192 grams and has a volume of 19.5 cubic centimetres. What metal is the necklace made of?
valentinak56 [21]

Answer:

Bronze

Step-by-step explanation:

Let's calculate the density of this necklace.

Density is mass divided by volume: m / v. Here, we know the mass is m = 192 grams, and we also know the volume is v = 19.5 cubic centimetres. Plug these into the equation:

d = m / v

d = 192 / 19.5 = 9.85 g / cm³

Looking at the chart, the closest density to this is that of bronze, which is 9.87. So, the necklace is likely made of bronze.

3 0
3 years ago
(19) Geometry pls help
gogolik [260]
Yes it is possible to prove this is a parallelogram.

XN = NZ means the diagonal XZ has been bisected
The same goes for diagonal WY (because NY = NW)

Furthermore, we have the pair of vertical angles XNY and ZNW which are congruent

Through SAS, we can say that triangles XNY and ZNW are congruent

Using CPCTC, we can get to the fact that angle NWZ = angle NYX which are alternate interior angles leading to proving that XY || WZ

----------------------

If you repeat those steps above, but focus on triangles WNX and YNZ, we can prove that XW || YZ

----------------------

After proving that XY || WZ and XW || YZ, this is enough to prove we have a parallelogram as the opposite sides are parallel.

3 0
3 years ago
Solve 10 3/4 - 6 4/5
MAXImum [283]
Alright, so the first thing I would do is find the LCM of the dividends, which is 20.  So we have 10 15/20 and 6 16/20.  You can either leave it there and just carry the one (20 in this case) for 3 19/20.
If you multiply 10 by 20 and add 15, or 6 by 20 and add 16 (which I think is easier) you get 215/20 - 136/20 = 79/20.  It can be simplified from here if you teacher wants it in the future.
7 0
4 years ago
Read 2 more answers
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