3 years ago

How to to determine if two polygons have the same side and shape

1 answer:

3 0

Recall that two shapes are congruent if they have the same shape and size. When two shapes have the same shape but different sizes, we call the shapes similar. You can also think of similar objects or shapes as scaled versions of each other.

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Factor 4 ^2 + 1 2 4 x^2 + 1 2

olga2289 [7]

Answer:

4(31x^2+7)

Step-by-step explanation:

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3 years ago

The area of a particular rectangle is 72. If the length of the rectangle is twice

soldier1979 [14.2K]

Answer:

Step-by-step explanation:

Suppose the width is "a". Then the length is 2a.

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Nesterboy [21]

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3 years ago

Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 then how many of each

Tpy6a [65]

Hi there!!

First, Let plain shirts be x
Let fancy shirts be y
x + y = 7
15x + 28y = 131
Multiply first equation by 28 to eliminate y:
28x + 28y = 196
15x + 28y = 131
Subtracting the two equations:
13x = 65
x = 5 
Substituting x to get y:
x + y = 7
5 + y = 7
y = 2 
Answer: 5 plain shirts and 2 fancy shirts

Hope this helps u!!
Have an amazing rest of ur day:)))

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3 years ago

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notsponge [240]

Answer:

c i got it right on test

Step-by-step explanation:

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