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Nostrana [21]
3 years ago
14

All of the following expressions are equivalent except _____.

Mathematics
1 answer:
ziro4ka [17]3 years ago
5 0
The final one, as all of the twos are negative in the other options
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Another algebra question I need help with
zzz [600]
7x -7/2 y = -49
7/2 y = 7x + 49
y = 2x + 14
y - intercept = 14
x - intercept : 2x + 14 = 0 so x = -7

answer is C.
x - intercept : -7
y - intercept : 14
4 0
3 years ago
Please help me! what’s the answer?<br><br> 1) Two points<br> 2) One point <br> 3) One equation
Fiesta28 [93]

Answer:

I think 2 points

Step-by-step explanation:

I may be wrong bc I suck at algebra. literally who is gonna use algebra ever?

4 0
3 years ago
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Use a graph to solve this equation.<br> th<br> 2x2–5=-X? + 2x – 1
solong [7]

Answer:

X + 2= 0

X - 4  > 7

-4 + y = 3y + 4 (y - 3)

4 0
3 years ago
Use distributive property to simplify. 10(-8s-k) just need to check if -80s-10k is correct.
Nitella [24]
10(-8s-k)
(10) (-8s + -k)
(10) (-8s) + (10) (-k)
= -80s - 10k
= -10k-80s
6 0
3 years ago
Describe the different type of polygons
gladu [14]


Convex Polygons



All of its angles are less than 180°.

All of the diagonals are internal.

Concave Polygons


 At least one angle measures more than 180°.
 At least one of the diagonals is outside the shape of the polygon.

 

Equilateral Polygons


All sides are equal.

 

Equiangular Polygons


All angles are equal.

 

Regular Polygons


They have equal angles and sides

 

Irregular Polygons

They do not have equal angles and sides.

Types of Polygons based on Number of Sides

Triangle


3 sides.

 

Quadrilateral


4 sides.

 

Pentagon


5 sides.

 

Hexagon


6 sides.

 

Heptagon


7 sides.

 

Octagon


8 sides.

 

Enneagon or Nonagon


9 sides.

 

Decagon


10 sides.

 

Hendecagon


11 sides.

 

Dodecagon


12 sides.

 

Tridecagon or triskaidecagon


13 sides.

 

Tetradecagon or tetrakaidecago


14 sides.

 

Pendedecagon


15 sides.

 

Hexdecagon


16 sides.

 

Heptdecagon


17 sides.

 

Octdecagon


18 sides.

 

Enneadecagon


19 sides.

 

Icosagon


20 sides.

 


3 0
3 years ago
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