81.42
= 81+ 0.42
= 81+ 42/100
= 81+ (42/2) / (100/2)
= 81+ 21/50
= 81 21/50
The final answer is 81 21/50~
Answer:8 planes are shown in the figure
Step-by-step explanation:
Answer:
Step-by-step explanation:
Sin80° = opp/hyp
Sin80° = 21/y
ysin80° = 21
y = 21/sin80°
y = 21.3
Answer:
You divide 5 by 47 and then see if the fourth digit after the decimal is 5 or greater or less than 5. If it's less, the digit before it remains the same and the decimal cuts off at it. If it's 5 or greater, the digit before it goes up one and the. decimal cuts off at it. Using this, you should get 0.106, I think.
Answer:
2y+9 1/2
Step-by-step explanation:
the answer is 2y+9 1/2 because 1/4y+1 3/4y=2y and 1 1/2+2+ (-12) (12 is negative because its minus 12)=9 1/2 so the answer is 2y+9 1/2
