Answer:
The net cost of the photocopier before january 1 is <u>$1350.</u>
Step-by-step explanation:
Given:
The manufacturer offers a $125 rebate on photocopiers purchases before january 1.
Now, to find the net cost of $1,475 photocopier before january 1.
Amount of rebate before January 1 = $125.
Cost of photocopier = $1,475.
So, to get the net cost of $1475 photocopier before january 1 we subtract the rebate from it:
Therefore, the net cost of the photocopier before january 1 is $1350.
As it says he keeps 'pairs' of shoes so the answer has to be an even 'number' - ie B, C and E are all possible answers.
Answer:
a) sample size is 40
Step-by-step explanation:
(a)
minutes
Margin of error, E is 75 seconds E=75/60= 1.25 minutes.
The level of significance 
for 95% level of significance
For 95% confidence interval 
from standard deviation table
Sample size required, n
Rounding off, n=40
Sample size =40
Keywords:
95% confidence, sample size, Wall Street Journal
Answer:
x + 8 = 20
Step-by-step explanation:
Using the keywords;
'more than' (addition)
'a number' which we can consider a variable
and 'equals'
Answer:
(a - 7)(3 - x)
Step-by-step explanation:
Given
3(a - 7) - x(a - 7) ← factor out (a - 7) from both terms
= (a - 7)(3 - x)
