A beluga whale is 5 yards and 3 inches long, and a gray whale is 15 yards and 5 inches long. What is the difference in length be
1 answer:
Answer:
Difference in length between two whales is 362 inches or 10 yards and 2 inches.
Step-by-step explanation:
Lets convert the values to inches:
1 yard = 36 inches
Length of a beluga whale in inches:
5 yards = inches =
inches
Therefore total length of a beluga whale = 180 inches + 3 inches
=183 inches
Length of a gray whale in inches:
15 yards = inches =
inches
Therefore total length of a beluga whale = 540 inches + 5 inches
=545 inches
Difference in length between two whales = 545 inches - 183 inches
= 362 inches
To represent this in yards and inches we can divide the value by 36.
yards
=10 yards and 2 inches
Difference in length between two whales is 10 yards and 2 inches.
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Part b: Reflecting a point across the y-axis, changes the sign of the x-coordinate.
Part c: Reflecting a point across both the axes, changes the signs of both the coordinates.
Explanation:
Part a: Reflecting a point across the x-axis
The reflection is a transformation of a figure which represents a flip.
The rule for a reflection over the x -axis is given by
Hence, this represents the change of sign of the y-coordinate.
Thus, Reflecting a point across the x-axis, changes the sign of the y-coordinate.
Part b: Reflecting a point across the y-axis
The rule for a reflection over the y -axis is given by
Hence, this represents the change of sign of the x-coordinate.
Thus, Reflecting a point across the y-axis, changes the sign of the x-coordinate.
Part c: Reflecting a point across both the axes
The rule for a reflection across both the axes is given by
Hence, this represents the changes the signs of both the coordinates.
Thus, Reflecting a point across both the axes, changes the signs of both the coordinates.