5x - y = -4 is the standard form
290-10=280
280 is one standard deviation below.
All that are above mean is 50%.
One standard deviation below is 34%.
50%+34%=84% all of these bags weigh more than 280 g.
So,
100%-84%=16% should be bags that are less than 280 g.
Answer is b) 16 %.
(x,y)
y does't change makes it easier
frm 7 to -2
-2-7=-9
distance is 9
Answer:
the volume is 50x1.8x2
v=180cm³
therefore, density is mass/volume
Step-by-step explanation:
mass =density x volume
mass= 7.8 x 180cm³
mass= 1,404grams
Answer:
3h 10 min + 1h 20 min is equal is to 4hr30mins
