ajmitchell04
12.04.2020 •
Mathematics
Tim bought a soft drink for 2 dollars and 4 candy bars. He spent a total of 18 dollars. How much did each candy bar cost?
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Ответ:
$4
Step-by-step explanation:
$18 - $2 = $16
$16/$4 = $4
Ответ:
$4
Step-by-step explanation:
4 candy bars = $18 - $2
= $16
1 candy bar = $16÷ 4
=$4
Ответ:
D. (x, y) → (x, −y)
Step-by-step explanation:
Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, rotation and dilation.
The orientation shows how an object is arranged. Rotation, translation and dilation preserves orientation while reflection does not preserve orientation.
The transformation (x, y) → (4x, 4y) shows the dilation by a scale factor of 4. Dilation preserve orientation.
The transformation (x, y) → (−y, x) shows the rotation of a point 90 degrees counterclockwise. Rotation preserve orientation.
The transformation (x, y) → (14x, 14y) shows the dilation by a scale factor of 14. Dilation preserve orientation.
The transformation (x, y) → (x, −y) shows a reflection over the x axis. Reflection does not preserve orientation.