(1-52/2+5)=(1-26+5)=(-25+5)=-20
continuing:
-20*2*6*6= -40*6*6=-240*6=-1440
result: -1440
46. 6*3=18 hence x=9*3=27 (ratio is 3:1)
47. x=8 clearly 2:1 ratio.
48.ratio is 1/3 hence, x=9/3=3
49.7:1 ratio. so, x=70
I hope you got the hang of it. so do the last two yourself.
Answer:
10 17/20 in ^2
Step-by-step explanation:
The area is
A = bh
= (7 3/4 ) * ( 1 2/5)
Changing to decimal form
7.75 * 1.4
10.85
Changing back to fraction form
10 85/100
10 17/20 in ^2