The question is asking how many combinations of two people can be made from a group of ten people.
Using the formula C(10,2) = 10!/(2! x (10 - 2)! = 10!/(2! x 8!) = 45 handshakes.
A simple way to prove this is each person shakes the hand of 9 other people
10 x 9 = 90 but this counts every handshake from the view of both people involved.
The actual number of handshakes is therefore 90 / 2 = 45
Answer:
It swaps directions and is now negative. It also has a verticle stretch.
Step-by-step explanation:
Answer:
Answer:
Hyperbola
Step-by-step explanation:
A conic section is a figure formed by the intersection of a plane and a circular cone. Depending on the angle of the plane with respect to the cone, a conic section may be a circle, an ellipse, a parabola, or a hyperbola.
When the cutting plane is perpendicular to the bases, then two cones connected by vertex will give a hyperbola
THus a hyperbola is formed when two cones are cut by a plane perpendicular to the bases of the cones.
Answer is hyperbola
The line joining the foci is called the principal axis and the points of intersection of the conic with the principal axis are called the vertices of the conic. The line segment joining the vertices of a conic is called transverse axis in the hyperbola
1/2•1/2=1/4 since The numerators are both ones 1×1 equals one but the denominators are both two so 2×2 = 4 that’s how you get 1/4
The answer is pearls of wisdom