exam
Maths Puzzle
Numerical Ability
A 25-ft ladder is placed 8 ft from the base of the house. How high up the side of the house can the ladder reach? Round your answer to the nearest foot.Thanks a lot
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(tan(170) - tan(50)) / 1 + tan(170)*tan(50)
((the tangent of 170 degrees) minus (tangent of 50 degrees)) all divided by 1 plus (tangent of 170 degrees multiplied by tangent 50 degrees)
im having a difficult time solving this kind of problem
5x-2y=4
x+2y=8
it says to solve each equation by the addition menthod (*you may have to multiply both sides by -1)
if you can show me the steps and explain them to me thanks.