Mine is Sea queen what is yours
Answer:
3 cm
Step-by-step explanation:
Area=length x width
6=length x 2
Length x 2=6
Length=6/2
Length=3
Step-by-step explanation:
90÷0.018=5000
90÷0.18= 500
90÷1.8 = 50
90÷18 =5
90÷180 =0.5
Both the numerator and denominator have a 9 and a "b" in common, so we can reduce the fraction to:
3c/4d
Answer:
The t distribution is used, because we have the standard deviation for the sample.
Step-by-step explanation:
When to use the z or the t distribution?
When we have the standard deviation for the population, we use the z distribution.
When we have the standard deviation for the sample, we use the t distribution.
In this question:
We have the standard deviation for the sample, which means that the t distribution is used.
