Answer:
[7 - (-2)]2 + [-1 - 4)2 = 92 + 52 = 106
The distance is 1061/2 = 10.3 (correct to 1 decimal place).
I usually use my calculator to do square root, but you could do it by Newton's method, starting with 10.
I just wrote the answers on the picture.
9514 1404 393
Answer:
Rs 400
Step-by-step explanation:
The selling price was ...
cp(1 -10%)
where cp is the cost price. If we add Rs 60 to that, then the selling price would be ...
cp(1 -10%) +60 = cp(1 +5%)
60 = 15%·cp . . . . . . . . . . . . . . . subtract 90%·cp
60/0.15 = cp = 400
The cost of the shirt was Rs 400.
Answer:
2 hours and 24 minutes
Step-by-step explanation:
cynthia can wallpaper a room 4 hours with means in 1 hour she can wallpaper 1/4th of the room, her brother can wallpaper the same room in 6 hours so I'm 1 hour he can wallpaper 1/6 of the room.