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zlopas [31]
3 years ago
13

PLEASE HELP ASAP 25 POINTS

Mathematics
1 answer:
motikmotik3 years ago
6 0

Answer:

it's b

Step-by-step explanation:

If you can use your phone in class, I highly suggest the desmos app because you can just put the equations in and it shows you everything


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Prove that angle W is congruent to angle Y with a two column proof.
iren2701 [21]

Statement 1: WXYZ is a kite

Reason 1: Given

Statement 2: WX = XY and WZ = YZ

Reason 2: Definition of a kite

Statement 3: XZ = XZ

Reason 3: Reflexive property

Statement 4: Triangle WXZ = Triangle YXZ

Reason 4: SSS Congruence

Statement 5: Angle W = Angle Y

Reason 5: CPCTC

-------------------------------------------------------------------------

Extra notes:

* A kite is a quadrilateral that has two pairs of adjacent congruent sides. In this case, WX and XY is one pair of congruent sides that are adjacent (ie next to each other). So that's why WX = XY. Similarly, WZ = YZ is the second pair of adjacent congruent sides.

* Draw in a segment from point X to point Z to help form two triangles. The two triangles are congruent as proven in statement 4. One triangle is a reflection over the line XZ to get the other triangle.

* Due to this reflection, angle W reflects over line XZ to get angle Y. Proving that angle W = angle Y

* SSS means "side side side", basically saying "you use three pairs of congruent sides to prove two triangles congruent".

* The acronym CPCTC stands for "corresponding parts of congruent triangles are congruent"

4 0
3 years ago
Winnie has 7 trophies she wants to display in an array.How many different arrays are possible? Explain.
Rama09 [41]
5,040 I think because 7•6•5•4•3•2•1=5040
6 0
3 years ago
Read 2 more answers
Write an exxpression to represent nine minus the quoitient of two and a number x
Bond [772]

Answer:

9-(2/x)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Helppp plsssss!!Thanks
OlgaM077 [116]

f(x) + g(x) =

                  4x + 3  

       3x^2 + 2x - 4

----------------------------------

    3x^      +6x     -1


Answer:   3x^      +6x     -1


Either you typed something wrong in the problem or the answer

3 0
3 years ago
If f(x) = 3x2 - x, find f(-2).<br><br> 10<br> 14<br> 38
mojhsa [17]

f(x) = 3x^2-x

F(-2)

 replace x with -2

3(-2)^2 - -2 =

3*4 +2 = 14

 Answer is 14


6 0
3 years ago
Read 2 more answers
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