2x is not a way to express this. You could use 2 + x or x +2. But 2x is x multiplied by 2. x + 2 is x plus 2.
Answer:
99.25
Step-by-step explanation:
3 times 25.50 = 76.5
2 times 4.75 =
3 times 2.25 = 6.75
3.5 + 3 + 76.5 + 9.5 + 6.75 = 99.25
In total, they spent $99.25 at the football game.
Yes because 0.4% put into a decimal is 0.004 and the four in in the thousandths place
Answer:
difference in the proportion = 0.0452
Step-by-step explanation:
x1 = 27, n1 = 193,
p1 = 27/193
p1 = 0.1399
x2 = 16, n2 = 169,
p2 = 16/169
p2 = 0.0947
a) The best estimate for the difference in the proportion of smokers, using male proportion minus female proportion is 0.0452. Male smokes more than females in given sample.
p1 - p2 = 0.1399 - 0.0947
p1 - p2 = 0.0452
