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postnew [5]
4 years ago
12

Kyle drew 4 polygons labeled A,B,C, and D. Figure A has twice as many sides as Figure B. Figure B has 3 vertices. Figure C has h

alf as many sides as figure D. Figure D has 8 vertices. Name each polygon Kyle draw.
Mathematics
1 answer:
erma4kov [3.2K]4 years ago
7 0

Answer:

Figure A - hexagon

Figure B - triangle

Figure C - rectangle

Figure D - octagon

Step-by-step explanation:

If figure B has 3 vertices (angles), then that means it is a triangle (3 sides)

So that means figure A has 6 sides, (hexagon)

And figure D has 8 vertices, so 8 sides (octagon)

And if C has half as many, that would be 4 (rectangle)

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Can anyone answer this
erik [133]

Answer:

Step-by-step explanation:

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2. x² + 19² = 21²

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 x = √80 = 4√5

3. x² + 16² = 27²

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 x = √473

4. 5.3² + 12.8² = x²

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5. 9² + 20² = x²

 481 = x²

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6. 31 = x + 2√(19²-17²) = x + 2·6√2 = x + 12√2

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5 0
3 years ago
If a neutral atom gains an electron, what is its charge?
DENIUS [597]
C. Negative because since the neutral atom stands at 0 and positive ions are 1+ and electrons are negative if it gains the electron ( negative ) it will become negative.
7 0
3 years ago
What is the mass (in grams) of 8.11×1026 CO2 molecules?
Kobotan [32]

Answer:

<u>It</u><u> </u><u>is</u><u> </u><u>5</u><u>9</u><u>,</u><u>2</u><u>7</u><u>5</u><u>.</u><u>7</u><u>4</u><u> </u><u>grams</u>

Step-by-step explanation:

• Molecular mass of carbon dioxide

= (12 \times 1) + (16 \times 2) \\  = 12 + 32 \\  = 44 \: g

[ molar masses: C = 12 g, O = 16 g ]

• From avogadro's number, it says 1 mole contains 6.02 × 10^23 molecules or atoms.

But 1 mole is equivalent to its molar mass in terms of weight, therefore;

{ \sf{6.02 \times  {10}^{23}  \: molecules = 44 \: g }}\\  { \sf{8.11 \times  {10}^{26}  \: molecules =( \frac{8.11 \times  {10}^{26} }{6.02 \times  {10}^{23} }   \times 44) \: g}} \\  \\  = { \boxed{ \boxed{ \bf{59275.7 \:  \: g}}}}

6 0
3 years ago
The sum of two numbers is 136.One number is 51.What is the the other number? What are the common factors of these two numbers
SVEN [57.7K]
136-51=85. so the common factors would be 1 and 17
4 0
3 years ago
Read 2 more answers
Find the slope of the line that passes through the pair of points.<br> (-2,3), (-5,2)
forsale [732]

Answer:

A. 1/3

Step-by-step explanation:

2-3/-5--2=

2-3/-5+2=

-1/-3=

1/3

8 0
3 years ago
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