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jenyasd209 [6]
3 years ago
5

What are points and lines? give a definition

Mathematics
1 answer:
wel3 years ago
6 0
Answer: A point in geometry is a location. It has no size i.e. no width, no length and no depth. A point is shown by a dot. A line is defined as a line of points that extends infinitely in two directions. ... A plane is named by three points in the plane that are not on the same line.
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3 years ago
X^2 + 4.7^2 = 13.4^2
tamaranim1 [39]

Answer:

x =   - \: 12.55 \: or \: x = 12.55

Step-by-step explanation:

We want to solve for x in

{x}^{2}  + 4.7^{2}   = 13.4^{2}

We group constants on the right to get:

{x}^{2}  = 13.4^{2}  -  {4.7}^{2}

We apply difference of two squares

{x}^{2}  = (13.4  -  {4.7})(13.4 + 4.7)

{x}^{2}  = 157.47

x =  \pm \sqrt{157.47}

x =  \pm \: 12.55

5 0
3 years ago
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5 0
3 years ago
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