Answer:
x
=
−
2
±
√
10
3
Step-by-step explanation:
13 x 1 1/3 = 17.3
Hope I helped :)
13 mph
using d=rt you can set up 2 equations
48=(r+3)t
30= (r-3)t
solving these both for t and setting them equal warrants
48/(r+3) = 30/(r-3)
and with cross multiplication and distribution you get
48r-144=30r+90
solving for r you get r=13
Answer:
260
Step-by-step explanation:
The formula is base times height
Answer:
64 messages
Step-by-step explanation:
first we simplify the question if the cost of 52 messeges is 4.16 what about the no. of messages that cost 5.12
4.16=52
5.12=?
we multiply 5.12 by 52 and divieded 4.16
5.12*52/4.16=64