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77julia77 [94]
4 years ago
8

Why there must be at least two lines on any given plane

Mathematics
1 answer:
ratelena [41]4 years ago
7 0
Although theoretically there are infinite lines in space and in a plane, too, at least three non collinear points are necessary to define a plane. Two intersecting lines will therefore be necessary to define it (two points create a line); these intersecting lines are the ones to help define coordinates (x,y).
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Find the value of this pronumeral
patriot [66]
A straight angle measures 180º. 
A triangle's interior angles also measure 180º.  
The angle measuring 130º is complementary to the corresponding interior angle, so that interior angle plus 130 has to equal exactly 180º. 
180 - 130 = 50º 
45 + 50 = 95º, so subtract that from 180 to find the measure of the last interior angle of the triangle. 
180 - 95 = 85º 
That angle of 85º is complementary to the other outside angle, n, and to find that subtract 85 from 180. 
180 - 85 = 95º 
n = 95 
Hope this helps!
3 0
3 years ago
How can you identify a dependent or inconsistent system by looking at an augmented matrix in reduced row-echelon form?
Reptile [31]
<span>
if the system generates values for the x1 and x2 to xn then the system is inconsistent. For example, After reducing it the system given answer something like 0=3 which is wrong and impossible. So, the system is inconsistent.</span>
4 0
4 years ago
The measure of angle 6 is 48 degrees, what are the measures of the remaining angles?
iren [92.7K]
5 and 8and 1 and 4= 132
7 and 6 and 3 and 2=48
I think this is correct
: )
7 0
3 years ago
Read 2 more answers
What is 65 cm expressed in meters?<br> Plz, respond FAST!!!!
Digiron [165]
65 cm= 0.65 m. Hope this helps!

5 0
3 years ago
Read 2 more answers
The endpoints of two segments are given. Find each segment length to the nearest tenth. AB¯¯¯¯¯¯¯¯: A(0, 2), B(−3, 8) and CD¯¯¯¯
sleet_krkn [62]

Step-by-step explanation:

Pythagoras : the lengths are the hypotenuses of the right-angled triangles created by the differences of the x and the y coordinates.

so,

AB² = (0 - -3)² + (2 - 8)² = 3² + (-6)² = 9 + 36 = 45

AB = sqrt(45) ≈ 6.7

CD² = (-2 - 0)² + (2 - -4)² = (-2)² + 6² = 4 + 36 = 40

CD = sqrt(40) ≈ 6.3

5 0
3 years ago
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