I need to calculate the length of the shore line for each of these lots, how would I go about doing that? I also need to calculate the area afterwards.

Step-by-step explanation:

A:linear function for both :

beach: y=-2x+100 (x=0, y=100)

dunes=5x+20 ( when x=0, y=20 (year1995)

B: after almost 11 years: it will be year 2006  and 2007 (after 11.429 years)

C: when the two rates of erosion are equal at the rate of 77 and almost 11 years

-2x+100=5x+20

-2x-5x=-100+20

-7x=-80

-80/-7=x

x=11.429

y=77.143

Describe the patterns shown by the erosion data measurements shown for each of the beaches in the table.

-the western beach erodes 2 ft/yr ;. The dunes build up at 5 ft/yr

Between which years will the beaches have approximately the same width?

-between 2006-2007

Assuming these rates remain constant, what can you do to get a better approximation of when the two beaches will have the same width?

-To get a better approximation of when the two beaches will have the same width you can solve a simultaneous equation. -2x+100=5x +20 . (x=11.429 y=77.143) .

Step-by-step explanation:

CarryOnLerning

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42.4

step-by-step explanation:

convert to decimal