Answer:
A 7 and 5 differences are 4 and -2
b) 4, K
c)-2
d) no depends on K
I have no answer for the second part yet
Step-by-step explanation:
9514 1404 393
Answer:
51
Step-by-step explanation:
Let s represent the number of seats in a row. Then the number of rows is (s-9) and the total number of seats is ...
s(s-9) = 2142
s² -9s +4.5² = 2142 +4.5² . . . . . complete the square
(s -4.5) = √2162.25 . . . . . . . . take the positive square root
s = 4.5 +46.5 = 51 . . . . . . . add 4.5
The number of seats in each row is 51.
Answer:
x-y is equal to nine and you are asking x-y so the ans is9
Answer:
74,000
Step-by-step explanation:
In the year where he got 104,000 the year before he got 6,000 less. The year before 98,000 he got 12,000 less which means that now it would just be 86,000-12,000=74,000
I think this is right but you can double check on a calculator
Hope this helped!