Answer: The required discount is $819 and the rate of discount is 20.48%.
Step-by-step explanation: Given that a home theater system is marked down from $3999 to $3180.
We are to find the discount and the rate of discount.
The discount will be given by actual price minus the marked price.
We have
Actual price = $ 3999 and marked price = $3180.
So, the discount is given by

And the rate of discount is

Thus, the required discount is $819 and the rate of discount is 20.48%.
Answer: There are infinitely many.
For example, 5314410.5 or 93. You are probably looking for (3)^6 tho
Answer:
One solution
Step-by-step explanation:
Basicly its just seeing if x can be anything, nothing or one thing so x · 0 = 0 has infinite answers, 4x + 6 = 11 has one solution, and 0x = 5 has no solution
Answer: 16.28
Step-by-step explanation: You need to find the area of the half circle so 4*3.14 dvided by 2 that is 6.28 then for the tryangle you do base times hight devided by 2 and you get 10 so add then and it should be 16.28
Answer:
$61
Step-by-step explanation:
Given
Number of days, x = 5
Expenditure per day, E'(x) = 10x + 11
Required
Determine the expenditure per day (E'(x))
From the question, we have that

Substitute 5 for x



Hence, the expenditure for 5 days is $61