One spring day, Arun noted the time of day and the temperature, in degrees Fahrenheit. His findings are as follows: At 6 a. m., the temperature was 50° F. For the next 3 hours, the temperature rose 2° per hour. For the next 4 hours, it rose 3° per hour. The temperature then stayed steady until 6 p. m. For the next 3 hours, the temperature dropped 1° per hour. The temperature then dropped steadily until the temperature was 60° at midnight. On the set of axes below, graph Arun's data.

step-by-step explanation:

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answer: (-8,4) are the coordinates of a

step-by-step explanation:

let the side of square abcd is x .

thus the area of square abcd is .

now, by the diagram area of triangle ead= 1/2 × ea × ad = 1/2 × ea × x

( because ad is the side of square)

and, according to the question,

the areas of square abcd and right ead are equal.

⇒

⇒ea=2x

thus, ea: ab=2: 1

therefore, point a divides line segment eb into the ratio 2: 1.

⇒ by sectional formula coordinates of a are,

=

=

=(-8, 4)

thus the coordinates of a are (-8,4)

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step-by-step explanation: