6 is the greatest common factor of 24,30,42
Tje answer is 1.2631 or 1.3 if you round
The answer is D) -r-6
if you distribute the -2 to the 5r and 3 you get -10r and -6.
-10r + 9r = -r (then just add on the negative 6)
-r-6
One doughnut cost $0.90 and one coffee cost $1.40
Step-by-step explanation:
(A) Let a triangle be formed with height of pole h, length of base b and angle of elevation 58°. (Due to lack of a figure).
Tan 58° = h / b = 1.6
(B) Let another triangle be formed with height of pole h, length of base (b + 90) and angle of elevation 36°. (Due to lack of a figure).
Tan 36° = h / (b + 90) = 0.72
(C) <u>Simplifying the two equations</u> :
1.6b = 0.72b + 64.8
b = 64.8 / 0.88 = 73.6 m
h (height of pole) = 1.6 * 73.6 = 117.76 m