10) A wheelchair ramp is getting built at the entrance of a building. The ramp will be 25 feet long from front
to back with a total rise of 1.5 feet. For the ramp to comply with state regulations, its angle of elevation
must be at most 5º. Does this ramp comply with the regulations? Draw and label an appropriate diagram
and explain your answer. [4 points]

The angle complies with the state regulations.

Step-by-step explanation:

The angle of elevation is the angle in the figure, and from trigonometry we find that

taking the inverse sine of both sides we get

which gives

which is less than 5°, and therefore is well within the state regulations.

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step-by-step explanation:

9-15%

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,