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alexira [117]
4 years ago
14

Which statements prove that a quadrilateral is a parallelogram?

Mathematics
2 answers:
yawa3891 [41]4 years ago
7 0

The answers are Quadrilateral DEFG has diagonals that bisect each other.  And Quadrilateral DEFG has opposite angles that are congruent.  

vesna_86 [32]4 years ago
3 0
The answers are A, B and D.
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Solve the equation Y=-x-6/-4
gladu [14]

Y=-x-6/-4=1.5/89.


If im wrong please correct me. Hope this helped

6 0
4 years ago
What is the directrix of the parabola defined by 1/4(y 3)=(x-2)^2?
attashe74 [19]
For
(x-h)^2=4p(y-k)
vertex=(h,k)
p=vertical distance from vertex to directix
when p is negative, the directix is above the vertex
when p is positive, the directix is below the vertex

(x-2)^2=1/4(y+3)
(x-2)^2=4(1/16)(y+3)
p=1/16
it's positive so we know directix is below vertex
vertex is (2,-3)
go 1/16 down
-3-1/16=-48/16-1/16=-49/16
directix is y=-49/16 aka y=-3.0625
7 0
4 years ago
Given the quadratic function y=5x^2−2x identify a, b and c.
saw5 [17]
Work shown above! Answer is
a = 5 b = -2 c = 0

6 0
3 years ago
Read 2 more answers
Which binomial is a factor of 12x^2 - x - 20
stellarik [79]

Answer:

12x² - x - 20 = (4x+5)(3x−4)

3 0
3 years ago
I need help finding the area and the equation to it.
RideAnS [48]

Hello from MrBillDoesMath!


Answer:

3 1/2   (i.e 3.5)


Discussion:

From the attached file, the area of the shaded triangle =

Area  =   <u>square</u> surrounding triangle -

               area triangle 1 - area triangle  2 -  area triangle 3


         = 4 * 4  -

             (1/2) (1 * 1)     -  (1/2) (3 * 4)  -   (1/2) (3 * 4)

         = 16  - 1/2 - 1/2 (12) - 1/2(12) =

         = 16 - 1/2 - 12 =

         = 4 - 1/2

         = 3 1/2


Where we have used that the area of a triangle =

(1/2) base * height.


Thank you,

MrB

6 0
4 years ago
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