1inch= 0,8(3) feet
5,400*0,8333 : 5280= 4,4999 :5280=0, 085 miles
First one:
2.632 • 104 = 273.728
Second one:
2 • 10 - 7 = 13
Answer:
sin 60° = 0.9
Step-by-step explanation:
sin 60° = cos 30°
cos 30° = 0.866025403
0.866025403 to one significant figure
0.866025403 ~ 0.9
~. means approximately.
therefore sin 60° = cos 30°
sin 60° = 0.9
Answer:
33 inches
Step-by-step explanation:
x=length of board
x+2x=99
3x=99
x=33
