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romanna [79]
4 years ago
15

~~~40 POINTS~~~ Please answer this question!!

Mathematics
2 answers:
asambeis [7]4 years ago
7 0
Remember that it is in (x,y) form

a. that is correct

b. reflection across the x-axis, that means just image the x axis is a mirror and whatever is on top goes to the bottom and whatever is on bottom goes to top. (nerd way is to multiply every x by -1 and regraph ex if you have to reflect the point (3,1) then multiply 3 by -1 to get (-3,1) and that's reflected across the x axis)

c. the image is of the one you graphed second (W'X'Y'Z') I think this questions means which side coresponds with the new YZ so the answer is YZ
 part 2.
WX and W'X'
XY and X'Y'
ZW and Z'W'

d. so angle x is congruent with angle x' (the new angle x)
congruent are
w and w'
z and z'
x and x'
11111nata11111 [884]4 years ago
6 0
A) The graph accurately graphs quadrilateral WXYZ.

B) Just multiply the x-values of the points by -1 and re-graph the quadrilateral with the new values. I'll do it for you: 
W: (2,-2)
X: (-3,1)
Y: (-5,-1)
Z: (-4,-6)
I even graphed it for you using desmos: (I've attached it.)

C) I think they want to you to answer the question using the new graph I just graphed. So the line that is congruent to YZ would be Y'Z'. (The " ' " is used to show a congruent figure.) The other three figures are done the same way with XY congruent to X'Y', WX congruent to W'X', and ZW congruent to Z'W'.

D) You can find the angle x by calculating the slope of XY and XW but I don't think that's what the question means. But you can take the easy way out and say that angle x is congruent to angle x'. Similarly, angle w is congruent to angle w', angle y is congruent to angle y', and angle z is congruent to angle z'.

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x≤9

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3 years ago
What property will you use to solve this equation;<br> 19+n=30
mr Goodwill [35]

Answer:

i think its multiplication property of equality

Step-by-step explanation:

19 + n = 30

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6 0
3 years ago
AB is a line of symmetry of this arrow shape. A)Calculate The Perimeter of the shape.
maw [93]

Answer:

A)58cm

B)h=4\sqrt{5}cm

C)125.55square cm

Step-by-step explanation:

AB is a line is symmetry

Total length of left half part=12cm+9cm+3cm+5cm

Total length of left half part=29 cm

Length of left half part=Length of right half part

Therefore, length of right half part=29 cm

A) Perimeter of the shape=29cm+29cm=58cm

B)

Pythagoras theorem

(Hypotenuse)^2=(Base)^2+(Perpendicular\;side)^2

Hypotenuse=12 cm

Base=5+3=8cm

In triangle ADC

Now, using Pythagoras  theorem

(12)^2=8^2+h^2

144=64+h^2

h^2=144-64=80

h=\sqrt{80}=4\sqrt{5}cm

C)

Area of shape=Area of triangle+ area of rectangle

Area of shape=\frac{1}{2}\times b\times h+l\times b

Where l=9cm

breadth=3+3=6cm

h=4\sqt{5}cm

base=2(5)+3(2)=16cm

Area of shape=\frac{1}{2}\times\times 16\times 4\sqrt{5}+9\times 6

Area of shape=125.55 square cm

7 0
3 years ago
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