Answer:
No, triangle B is a reflection of triangle A.
Step-by-step explanation:
The points of triangle A are reflected across the dotted line. So as a result triangle B is a reflection of triangle A.
22+19+x = 62
combine like terms
41+x = 62
subtract 41 from both sides
x= 21
there are 21 students in the third row
Answer:
The answer is: still (0,0) the answer does not change if it is still both zeroes.
Step-by-step explanation:
90 degrees clockwise rotation
Mapping rule: (x, y) ⇒ (y, -x) Switch the coordinate numbers and turn the y coordinate into negative.
EXAMPLE: (4, 1) ⇒ (1, -4)
5 7/12 because 2 1/3 + 3 1/4 = 67/12 (or 5 7/12) This can be shown as: 2 4/12 + 3 3/12 = 5 7/12
