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Archy [21]
3 years ago
13

can someone explain to me how you move lines, quadrilaterals, triangles etc. 90 degrees, 180 degrees and, 270 degrees?? my teach

er doesn't know what she is doing and it's very confusing.
Mathematics
2 answers:
tankabanditka [31]3 years ago
7 0
You would rotate 90 degrees
Marizza181 [45]3 years ago
6 0

i’m not sure if this helps, but my teacher showed us this video about transformations that might help:

“ Transformations - Rotate 90 degrees” by mrmaisonet

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Helpppppppp meeeeeee
natta225 [31]

Answer:

y = 14

Step-by-step explanation:

∠BCF and ∠EFH are same side interior angles and are supplementary, hence

5x - 66 +2x + 50 = 180

7x - 16 = 180 ( add 16 to both sides )

7x = 196 ( divide both sides by 7 )

x = 28

∠BCF = 5x - 66 = (5 × 28) - 66 = 140 - 66 = 74

∠ACD = ∠BCF ( vertical angles ), hence

9y - 52 = 74 ( add 52 to both sides )

9y = 126 ( divide both sides by 9 )

y = 14

6 0
3 years ago
Need help with question 3, 8, 13, 15, 17, 18
antoniya [11.8K]

Answer:

18. 8x+40

8. 2hours 30 minutes

Step-by-step explanation:

8. 8x2= 16

8 divided by 2 is 4

4+16= 20

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8mph = 1 hour

8+8+4= 2 hours and 30 minutes

8 0
3 years ago
To divide 1.95 + 0.005, you will need to move the decimal in the divisor and the
juin [17]
I don’t really know what this means
5 0
3 years ago
Read 2 more answers
Help is appreciated. Easy I just am always confused
saveliy_v [14]

Answer:

BA=BC

Step-by-step explanation:

8 0
3 years ago
6a_6b+3a+4b pleas help me and cool
Ahat [919]

Answer:

9a - 2b

Step-by-step explanation:

6a - 6b +3a +4b . . . . . . . we assume your _ is supposed to be -

= a(6 +3) +b(-6 +4)

= 9a -2b

8 0
3 years ago
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