Answer:
Step-by-step explanation:
Let n = the number of prints
and C = the total cost.
At the regular price, the formula is
C = 1.45n
During the promotion, you must pay for the first nine prints: 9 × 1.45 = 13.05.
For anything over nine prints (n - 9), you must pay $13.05 plus the promotional cost of $1.10 for each print. The promotional formula is
C = 13.05 + 1.10(n - 9) {n > 9}
1. Calculate the cost of 19 prints
2. What number of the prints is a waste of money?
During the promotion, buying fewer than nine prints would be a waste of money, because you would not be taking advantage of the promotional savings.
The 4-member family can be seated in 4! ways.
The two brothers can be seated together in 2! ways.
Therefore, the total number of ways is
Diagrammatically, the result is shown in the figure below. The two brothers are family members 3 and 4, shown in shaded color.
Answer: 12 ways.
Answer: S+2,
a+b,
c-(a+b),
z+12,
t- (s+5) ,
(15+d) -c
Step-by-step explanation:
Answer:
x = 5
Step-by-step explanation:
Using the tangent ratio and the exact value
tan60° = , then
tan60° = 
= 
= ( multiply both sides by 5 to clear the fraction )
x = 5
Subtracting .5 pounds from 11 leads you with 10.5 divide that by 4 to get the weight of each notebook, 2.625
