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NARA [144]
3 years ago
12

Please help this is hard

Mathematics
2 answers:
Ket [755]3 years ago
6 0
The sides that are congruent are sides AB and side DC
morpeh [17]3 years ago
5 0
Hi!

Parallelograms have 4 sides. The parallel lines have equal lengths. 

Which means sides BC, and AD are equal. <span>AB, DC</span> are also equal. 

Only AB, DC are listed as an option so the answer is Sides AB and DC.

Hope this helps! :)
-Peredhel
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Which of these is a simplified form of the equation 7z + 2 = 8 + 2z + 1z?
WINSTONCH [101]
Simplify it and compare

(7-2-1) z = 8 - 2

4z = 6

so the 3rd
4 0
3 years ago
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If the timer was started at the begining if the race would it affect the median. Why, not?
Ilia_Sergeevich [38]
Yeah It Would

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7 0
3 years ago
Find the volume of a right circular cone that has a height of 3.9 ft and a base with a circumference of 16.3 ft. Round your answ
MissTica

Answer:

The answer to your question is Volume = 27.5 ft³

Step-by-step explanation:

Data

Volume = ?

height = 3.9 ft

Circumference = 16.3 ft

Process

1.- Calculate the radius of the Cone

   Circumference = 2πr = 16.3 ft

-Solve for r

                                    r = 16.3/2π

                                    r = 16.3/6.28

                                    r = 2.5955 ft

2.- Calculate the volume

Volume = 1/3πr²h

-Substitution

Volume = 1/3(3.14)(2.5955)²(3.9)

-Simplification

Volume = 1/3(82.4966)

-Result

Volume = 27.5 ft³

8 0
3 years ago
Read 2 more answers
Solve this system of equations using the substitution method.
Bingel [31]

Answer:

x = 1.2

y = 6.6

Step-by-step explanation:

1) y= -2x+9

2) 8x-3=y

Substitute y in equation 1 using y in equation 2.

8x - 3 = -2x + 9

+ 3 on both sides

8x = -2x + 12

+ 2x on both sides

10x = 12

x = 1.2

To find y, plug in x

8x - 3 = y

9.6 - 3 = y

6.6 = y

Hope this helps :)

5 0
3 years ago
Anyone who could do these 8 listed questions I will give a generous amount of points. Please make sure to list all the angles th
k0ka [10]

Answer:

1) 0, 180

2) 90

3) 3pi/2

4) pi/2, -3pi/2

5) 90, 270

6) 0

7) pi

8) -2pi, 0, 2pi

Step-by-step explanation:

1) sinx = 0

x = 0, 180, 360

2) sinx = 1

x = 90

3) sinx = -1

x = 270 or 3pi/2

4) sinx = 1

x = pi/2, pi/2 - 2pi = -3pi/2

5) cosx = 0

x = 90, 360

6) cosx = 1

x = 0, 360

7) cosx = -1

x = pi

8) cosx = 1

-2pi, 0 , 2pi

5 0
3 years ago
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