Answer: 2.460
Step-by-step explanation:
The formula of Margin of Error for (n<30):-
Given : Sample size : n= 18
Level of confidence = 0.90
Significance level : 
Using the t-distribution table ,
Critical value : 
Standard deviation: 
Then, we have
Hence, the margin of error (ME) of the confidence interval with a 90% confidence level = 2.460
Answer:
Step-by-step explanation:
The latte is what covered the coffee, Caffe latte is a coffee drink made with espresso and steamed milk, and this latte do form heart on the coffee, then we are told that the area of the latte heart is 55cm²
Then, space where latte is not form has a diameter 4cm
Then the radius is diameter divided by 2
r=d/2
r=4/2 =2
Then area of the circle which for the surface for the coffee is πr²
A=πr²
A=3.142×2²
A=12.568cm².
Area of coffee not covered is
55-12.568=42.432cm²
Step-by-step explanation:
Volume of the prism = Area of the cross section × Height of the prism
V=( 1/2 × Base of the triangle × Perpendicular height of the triangle) × Height of the prism
Answer:
A: 4 miles
B: 3.5 (not sure with this one)
C: 4.5 miles
