Answer :
If 18+12 is 30 and only 18 of them has pets then 70 percent have pets
Answer:
240 cell phones
Step-by-step explanation:
=12×1500
=18000÷75
=240
Answer:
-90 , 30
Step-by-step explanation:
sina = cos(2a)
= 1 - 2(sina)^2
2(sina)^2 + sina -- 1 = 0
( sina + 1 )( 2sina - 1 ) = 0
sina = -1 or sina = 1/2
=> a = -90 degrees or => a = 30 degrees
Answer:
294cm^2
Step-by-step explanation:
0.7*0.7=0.49
0.49*6=2.94m
294cm^2
