Pretty much trade. You give vendor money or currency in return they give you the thing you paid for.
Since it's normally distributed, we can apply the emperical rule. The middle 95% will be within two standard deviations of the mean, so that means:
18-2(1.5), 18+2(1.5)=15,21
So we want the first option.
2 1/4 ⋅ 9/5 —> 9/4 ⋅ 9/5 = 81/20 or 4 1/20 or 4.05
Answer:
Brainliest
Step-by-step explanation:
y=2.78(4)-4.4 = 6.72
Answer: -x/2 + 1
Step-by-step explanation:
write t in terms of x
x = 2t
t = x/2
substitute t in y
y = 1 - t
y = 1 - x/2 or -x/2 + 1