An escalator from the ground floor to the second floor of a department store is 110 ft long and 32 ft vertical. What is the esca
lator’s angle of elevation?
1 answer:
Answer: 16.91°
Step-by-step explanation:
1. You can draw a right triangle as you can see in the figure attached.
2. Then you can calculate the angle of elevation (α) as following:

Where:

3. Now you must substitute these values. Then, the angle of elevation is:


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The length of the other leg is 12 cm
Answer:
x=4 y=6
Step-by-step explanation:
12 divide by 3 = 4
12 divide by 2 = 6
Answer:
9
Step-by-step explanation:
f(x)=½(8-2x)
Let x = -5
f(-5)=½(8-2* (-5))
=½(8+10)
=½(18)
=9
it would be 7 lolz dheisns