Subract what she rode already from total:
48-18 = 30
Divide by number of days:
30/4 = 7.5
she will need to ride 7.5 miles per day
Answer:
no solution
Step-by-step explanation:
heres why:
Let's solve your equation step-by-step.
4x−9(x+1)=20−5x
Step 1: Simplify both sides of the equation.
4x−9(x+1)=20−5x
4x+(−9)(x)+(−9)(1)=20+−5x(Distribute)
4x+−9x+−9=20+−5x
(4x+−9x)+(−9)=−5x+20(Combine Like Terms)
−5x+−9=−5x+20
−5x−9=−5x+20
Step 2: Add 5x to both sides.
−5x−9+5x=−5x+20+5x
−9=20
Step 3: Add 9 to both sides.
−9+9=20+9
0=29
so there are no solution
Answer:
Step-by-step explanation:
We have been given two functions as 
and 
. We are asked to show that both functions are inverse of each other algebraically and graphically.
Let us find inverse function of as:
Interchange x and y values:
Using log property 
, we will get:
Using log definition; If 
, then 
, we will get:
Therefore, we can see that function is inverse of function .
We can see that both functions are symmetric about line 
, therefore, both functions are inverse of each other.
