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9514 1404 393

Step-by-step explanation:

The equation of the graph can be written by observing that ...

  the y-intercept is 200

  the graph has a rise of 200 for a run of 1, so the slope is 200

Then the price at Shore Thing is ...

  y = 200x + 200

__

The price at Beachy Keen is given as ...

  y = 249x + 100

__

The equation of the table can be written by observing that ...

  the y-intercept is 115

  the additional cost for 1 night is 230

Then the price at Seas the Day is ...

  y = 230x + 115

__

1) The nightly rate is the coefficient of x. Beachy Keen charges the highest nightly rate.

2) The y-intercept is the deposit. Shore Thing charges the highest deposit.

3) Shore Thing charges the lowest nightly rate.

4) Beachy Keen charges the lowest deposit.

5) The costs of a 6-night stay are ...

Shore Thing charges least for a 6-night stay.

its 69.420

step-by-step explanation:

geometry: triangles

solvers

lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584