"a telephone line hangs between two poles 14 m apart in the shape of the catenary y = 20cosh(x/20) - 15, where x and y are measured in meters.

(a) find the slope of this curve where it meets the right pole: the slope is sinh(7/20)

(b) find the angle θ between the line and the pole: θ = 90° - α, so my question is, why is there an angle α and where is it located? "

its a right triangle...
alpha + theta = 90 theta = 90 - alpha

The angle theta be described astanθ=sinh(7/20)

θ=tan−1[sinh(7/20)]

its a right triangle...

alpha + theta = 90 theta = 90 - alpha

Step-by-step explanation:hehehe

answer: the 4 kilogram bag

step-by-step explanation: this is because if you divide the number of kilograms into the total it will tell you how much each individual kilogram would be worth. 2 kilos is 7 and change 3 would be around 6 ish and the 4 kilo would be 4.6 and change and the 5 kilos would be like 4.88

y > 1/3x

y < = -x + 4

hope this : )