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s2008m [1.1K]
3 years ago
9

Which set of side lengths can be used to form a right

Mathematics
2 answers:
tresset_1 [31]3 years ago
5 0
I would say 30,40,50 because it equals the degrees of a right triangle which is 120
nevsk [136]3 years ago
4 0
It is 30, 40, 50, but you have to use the equation for right triangles, which is a^2 + b^2= c^2. You fill in the equation 30^2 + 40^2= 50^2. Then you get 900+1600=2500. Then you add it together and you get 2500=2500.
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Ira Lisetskai [31]

Answer:

Step-by-step explanation:

y + 2= -1/2(x - 0)

y + 2 = -1/2x + 0

y = -1/2x - 2

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x = 4

4 0
3 years ago
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nika2105 [10]

Answer:

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Step-by-step explanation:

77+2(3x-5)=8-3(2x+1)

77+6x-10=8-6x-3

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3 0
3 years ago
Each side of the Pentagon Building in Washington DC is 900 feet long. What is the perimeter ?
Vika [28.1K]
The perimeter of a Pentagon is all the length of the sides added up
A pentagon is a five sided shape
so...
900+900+900+900+900
or 900*5
That is 4500.

The perimeter of the Pentagon Building in Washington DC, whose side is 900 feet long, is 4500 feet around.

Hope this helps :)
6 0
3 years ago
The surface area of a cube is 27^2. Calculate the length of the sides of the cube
Anon25 [30]

Answer:

Step-by-step explanation:

Do you mean 27 units² ?

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Length of one edge = √(27/6)

= √(9/2)

= √9/√2

= 3/√2

= 3√2/2 units

5 0
3 years ago
At the beginning of the year there were 25 students in our
Alborosie
The answer is a 12% increase. 
8 0
3 years ago
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