8.7 km
Tan(30)= 5/x
5/tan(30)
58 - its simple- Hope I helped :)
She should buy the back pack at store D because it is cheaper by $2.5
Answer:
x = 152/5 or x = 30.4 decimal
Step-by-step explanation:
Solve for x:
5 x - 152 = 0
Add 152 to both sides:
5 x + (152 - 152) = 152
152 - 152 = 0:
5 x = 152
Divide both sides of 5 x = 152 by 5:
(5 x)/5 = 152/5
5/5 = 1:
Answer: x = 152/5