Point D(4,-3) is the midpoint of the line segment \overline{CE} If point C = (7,7), what is x-coordinate of the missing endpoint, point E?
If necessary, round your answer to one decimal place.
Pls help me!!

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Ответ:

sam1625

23.01.2023

Mathematics

He takes 24 seconds which represents change in time of his personal best after 200 yards .

Step-by-step explanation:

Since we have given that

Distance he covered by swimming = 25 yards

Time taken by him = 3 seconds

$\text{Speed of his swimming} =\frac{Distance}{Time}\\\\ \text{Speed of his swimming} =\frac{25}{3}$

Now, if he covers 200 yards , the change of time will be

$\text{Time taken}=\frac{Distance}{Speed}\\\\\text{Time taken}=\frac{200}{\frac{25}{3}}\\\\\text{Time taken}=\frac{200\times 3}{25}\\\\\text{Time taken}=8\times 3\\\\\text{Time taken}=24 seconds$

Hence, he takes 24 seconds which represents change in time of his personal best after 200 yards .

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