Answer:
western beach: y = -2x + 100
dunes beach : y = 5x + 20
set the equations equal to each other
-2x + 100 = 5x + 20
100 - 20 = 7x
80 = 7x
80/7 = x
x ~ 11.43 years
Step-by-step explanation:
Answer:
Option d. 
Step-by-step explanation:
<u><em>The complete question is</em></u>
Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x.
a. tanx=2
b. sinx=2
c. tanx=1/2
d. sinx=1/2
we have

Find the common denominator and adds the fractions

Expanded the numerator

Remember that
----> trigonometric identity
substitute


Factor 2 in the numerator

Simplify

