An aircraft leaves a town &(28n, 66°E) and after flying 3900km due South, it
gets to another town Y calculate,
a. the radius of the line of latitude through X
the latitude of Y Correct to the nearest
degree.
(the radius of the line of latitude through Y
(Take t=2 and R=6406 km)
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answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.