729. multiple 9 times 9 then 81 times 9 and you get D
Answer:
f(1/3) = 9
Step-by-step explanation:
f(x)=1/x+2/x
Combine terms
f(x) = 3/x
f(1/3) = 3 / (1/3)
f(1/3) = 9
<span><span>1.
</span>Question: Find the Unit rate for 108 diapers for
25.18 dollars.
Let’s analyze the given question. In a total of 108 diapers for 25.18 dollars.
Thus we need to find the amount of every 1 diaper then.
=> 108 diapers – is the total number of items
=> 25.18 dollars - the total amount
paid
=> Since we are looking for the price of each diapers, we need to divide the
amount with the number of diapers.
=> 25.18 / 108 = 0.23 dollars.
Thus the unit rate is 0.23 dollars/ diaper</span>
Answer:
Step-by-step explanation:
Given
Let the roots be 
and 
So:
Required
Determine the relationship between d, c and p
Divide through by d
A quadratic equation has the form:
So:
So, we have:
-- (1)
and
-- (2)
Make the subject in (1)
Substitute in (2)
Multiply both sides by d
Cross Multiply
or
Hence, the relationship between d, c and p is:
Answer:
For 10 plot a point 3 lines back and 5 lines back
For 11 its 2
Step-by-step explanation:
