A person climbs many evenly-spaced steps to reach the top of

Mathematics

1 answer:

matrenka [14]3 years ago

3 0

Answer:

6.8 percent or 6.8%

Step-by-step explanation:

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Please show all work with the answers please

kenny6666 [7]

Part A

The angle of elevation of the staire case is given by

$Angle\ of\ elevation=\tan^{-1}{ \frac{Vertical\ rise}{landing} } \\ \\ =\tan^{-1}{ \frac{14}{20} }\approx35^o$

Part B:

If the landing of each step is changed to 17 inches and the elevation of each step to 21 inches, the new angle of elevation for the staircase is given by

 $Angle\ of\ elevation=\tan^{-1}{ \frac{Vertical\ rise}{landing} } \\ \\ =\tan^{-1}{ \frac{17}{21} }\approx39^o$

5 0

2 years ago

Anyone know how to do this??!?!

ludmilkaskok [199]

Add all the numbers of the triangle and then divide them by the sides

7 0

3 years ago

How many times can 7 go 48 with out going over?

Paul [167]

48÷7= 6.85
That would be your answer

8 0

2 years ago