Answer:
x = 129
Step-by-step explanation:
x and 51 are same- side exterior angles and supplementary, thus
x = 180 - 51 = 129
C10,6 x C10,7
210 x 120
25200
Answer:
Okay!
Step-by-step explanation:
Answer:
Option A
Step-by-step explanation:
Two equations have been given as,
A. (2x - 1) = 5x
B. -1 = 3x
To find equation B from equation A:
Subtract same quantity (2x) from both the sides of the equation A
(2x - 1) - 2x = 5x - 2x
(2x - 2x) - 1 = 3x
-1 = 3x [Equation B]
Therefore, Option A will be the answer.
Since, we are getting the same value of x from both the equations, both the equations are equivalent.
Option A. YES
Don't repost. be patient and we will answer
so
remember some stuff
to find the axis of symmetry of y=ax^2+bx+c
the axis of symmetry is x=-b/(2a)
that is also the x value of the vertex
to get the y value of the vertex, sub the x value of the vertex into the function
and if a is positive, then the parabola opens up and the vertex is a minimum
if a is negative, parabola opens down and vertex is max
so
y=3x^2-6x+4
3 is positive so vertex is a minimum
axis of symmetry is -(-6)/(2*3)=6/6=1
x=1 is axis of symmetry and x value of vertex
sub to find y
y=3(1)^2-6(1)+4
y=3(1)-6+4
y=3-2
y=1
axis of symmetry is x=1
vertex is (1,1)
it is a minimum
the parabola opens up