Answer:
44.4 %
Step-by-step explanation:
Fraction of the cars not cattle cars = 1 - 5/9 = 4/9.
Numbner not cattle cars = 45 * 4/9 = 180/9 = 20.
b) Percentage not cattle cars = 100 * 20/45
= 100*4/9
= 44.4 %
Answer:
60
Step-by-step explanation:
The ratio of Barbies is ...
Jenny : Sharon = 5 : 2 = 60 : 24 . . . . . . multiplying ratio values by 12
Jenny owns 60 Barbies to Sharon's 24.
Valentino because 2/4 is a half and 5/8 is bigger than a half.
B is easy, given 2x + 1y + 5z = 1 and 2x + 5z = 0, normal vectors of
those planes are (2,1,5) and (2,0,5), cross product will give the
parallel vector, divide by its length so it gives the unit vector
You would have to know the height of the 8th graders