Answer:
r1 is given by the formula an=a1r.n-1
Step-by-step explanation:
<span>1. </span><span>Well if the quotient is 45 ¼, the
divisor will depends on the dividend.
Since the dividend is not given, there it would be hard for us to tell what is
the divisor.
Because we only have the quotient, there are a lot of answers then if the
dividend is not given.
it can be that the divisor is 2 and the dividend is 90 ½ to be able to get 45 ¼
as an answer.
it’s hard to tell without identifying the dividend.</span>
Answer:
The value of the test statistic is z = -0.877.
Step-by-step explanation:
Testing the difference in mean time spent on housework between husbands and wives.
At the null hypothesis, we test if there is no difference, that is, the subtraction of the means is 0:
At the alternate hypothesis, we test if there is a difference, that is, the subtraction of the means is different from 0.
The test statistic is:
In which X is the sample mean, is the value tested at the null hypothesis, and s is the standard error.
0 is tested at the null hypothesis:
This means that
For the wives the mean was 7 hours/week and for the husbands the mean was 4.5 hours/week. The standard deviation of the differences in time spent on house work was 2.85.
This means that
What is the value of the test statistic for testing the difference in mean time spent on housework between husbands and wives?
The value of the test statistic is z = -0.877.
It should be D. Because the equation is 2(width+ height + length
To solve the volume of water in units of cubic meters, we
are going to convert first all units in terms of meter.
Let us say that the dimensions are:
length l = 4.40 nautical miles
width w = 3.90 nautical miles
depth h = 20 fathoms
Converting the dimensions to meters:
l = 4.40 nautical miles (6076 feet / nautical mile) (1
meter / 3.28 feet) = 8,150.73 m
w = 3.90 nautical miles (6076 feet / nautical mile) (1
meter / 3.28 feet) = 7,224.51 m
h = 20 fathoms (6 feet / fathom) (1 meter / 3.28 feet) =
36.59 m
The volume of a rectangular prism is:
V = l w h
Substituting the values:
V = (8,150.73 m) (7,224.51 m) (36.59 m)
V= 2,154,330,380 cubic meters