Juan got a new helicopter for Christmas and the time it takes to ascend to certain heights is shown above. His sister, Marla, be
lieves that the helicopter is rising at a height of 25 feet/second. Is she correct? If not, why not? Use complete sentences.
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Bryan's Bakery kept track of their March and April sales of all of their bakery products and noticed there was a definite relationship between the two. Based on the graph, if 50 Lipsmacking Butter Biscuits were sold in the month of April, how many were sold in the month of March?
(2nd Graph is Bryan's Bakery.)
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Bryan's Bakery kept track of their March and April sales of all of their bakery products and noticed there was a definite relationship between the two. Based on the graph, if 50 Lipsmacking Butter Biscuits were sold in the month of April, how many were sold in the month of March?
(2nd Graph is Bryan's Bakery.)
1 answer:
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<h2>Explanation:</h2>
In every rectangle, the two diagonals have the same length. If a quadrilateral's diagonals have the same length, that doesn't mean it has to be a rectangle, but if a parallelogram's diagonals have the same length, then it's definitely a rectangle.
So first of all, let's prove this is a parallelogram. The basic definition of a parallelogram is that it is a quadrilateral where both pairs of opposite sides are parallel.
So let's name the vertices as:
First pair of opposite sides:
<u>Slope:</u>
Second pair of opposite sides:
<u>Slope:</u>
So in fact this is a parallelogram. The other thing we need to prove is that the diagonals measure the same. Using distance formula:
So the diagonals measure the same, therefore this is a rectangle.