Please help. PS. It isn't 1
2 answers:
Answer:
-7
Step-by-step explanation:
You have to follow order of operations and start with reducing to get 36. The new equation would be: 5 - 36 ÷ 4 - 3
Then order of operations says you have to divide next. So divide 36 by 4 to get 9. The new equation would be: 5 - 9 - 3
Next you subtract 9 from 5 to get -4. The new equation would be: -4 - 3
Lastly you subtract 3 from -4 to get the final answer of -7.
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Answer:
X''(2, -5), Y''(3, -3)
Step-by-step explanation:
You know that reflection in the x-axis changes the sign of the y-coordinate. Points that used to be above the axis are now below by the same amount, and vice versa.
Rotation counterclockwise by 270° is the same as clockwise rotation by 90°. That maps the coordinates like this:
(x, y) ⇒ (y, -x)
The two transformations together give you ...
(x, y) ⇒ (x, -y) ⇒ (-y, -x) . . . . . . . . equivalent to reflection across y=-x.
Using this mapping, we have ...
X(5, -2) ⇒ X''(2, -5)
Y(3, -3) ⇒ Y''(3, -3) . . . . . . on the equivalent line of reflection, so invariant
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The attachment shows the original segment in red, the reflected segment in purple, and the rotated segment in blue. The equivalent line of reflection is shown as a dashed green line.
