https://youtu.be/GZcm4mswivc
espero que te ayude
Ladder makes a right triangle with the wall and ground. The hypotenuse = length of the ladder = 10 ft
Let the height be h
By Pythagorean theorem
10^2 = 3^2 + h^2
h^2 = 10^2 - 3^2 = 100 - 9 = 91
h = sqrt( 91) = 9.54 ft
Answer:
Together they will complete the order in 6/5 hours.
Step-by-step explanation:
Lisa an experience shipping clerk can fill a certain order in 2 hours.
Jim a new clerk needs 3 hours to do the same job working.
For 1 hours Lisa can fill 1/2 a order.
For 1 hours Jim can fill 1/3 a order.
For 1 hours togethers can fill 1/2+ 1/3=5/6 a order.
We have the following proportion:

Together they will complete the order in 6/5 hours.
Answer: $82
Step-by-step explanation:
F - .15F = 12.30
F = 12.3/.85 =$14.47 for full shoe price rounded down a fraction of a cent
Full Price minus 15% discount = $12.30
F - 0.15F = 12.30
F(1-0.15) = 12.30
0.85F = 12.30
Overall answer --->F = 12.30/.85 = 14.47058824