If r = 3.25, 8r + 6 =
8(3.25) + 6 =
32.
Chat with our AI personalities
12 + 8r - 6 = 7r - 5 - 3 8r +6 = 7r -8 r = -14
13r +10 =5r-46 13r-5r=-46-10 8r=-56 8r/8=-56/8 r=-7 use the system of letter one side and numbers one side. also when you move the numeral to the left after the equal sign you need to change the sign if it's positive make it negative, if negative make it positive.
9r-- think of the 'r' as '1r' and add like you normally would.
The length of one arch of a cycloid generated by a circle of radius r is 8r.
4R size is 4" × 6"; 10 cm x 15 cm Other photographic print sizes are 3R (3½" × 5"; 9 cm x 13 cm), 4D (4½" × 6"), the 5R (5" × 7"; 13 cm x 18 cm) and 6R (6" × 8"; double the 4R). The print photo size 8R (8" × 10"; 20 cm x 25 cm) is also well known.