Answer:
Step-by-step explanation:
60
%
discount given in total, so only
40
%
is paid.
Explanation:
So here we need to make a two-step changing factor.
This means that we first take
0.5
(something decreasing by
50
%
) times
0.8
(something decreased by
20
%
) which is
0.4
(something decreased by
60
%
Answer:
y+3y
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
Your equation would be y+3y.
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Answer:
And the confidence interval would be between 42.001 and 47.399
Step-by-step explanation:
Information given
represent the sample mean for the sample
population mean
s=6.96 represent the sample standard deviation
n=28 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
The Confidence interval is 0.95 or 95%, the significance is 
and 
,the critical value for this case would be 
And replacing we got:
And the confidence interval would be between 42.001 and 47.399
Using
f1(x)= -x=3t =14
with f2(x) as x=4y
f1(f2)= -x-3y=14
F1(4y)= -(4y)-3y=14
= -4y-3y=14
= - 7y=14
= y= -2
Using the value of y, solve fo rx by entering the value in the original form of f1 or f2
<span>-x-3y=14</span>
-x-3(-2)=14
-x+6=14
x=-8
OR
x=4y
=4(-2)
= -8
Thus the solution is (x,y) = (-8,-2)
9514 1404 393
Answer:
dollars per hour
Step-by-step explanation:
If m is the slope, the units of m can be found by considering the units of x and y.
y is in dollars
x is in hours
Then from the point of view of units, we have ...
dollars = m × hours
m = dollars/hours
The slope in the equation is the rental charge in dollars per hour.
