9 less than a number r is 15
1 answer:
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Answer:
Required equation:
Length of the main span of the Dames point Bridge = 396 meters
Step-by-step explanation:
Main span of the Sunshine Skyway Bridge = 366 meters .... (1)
Let represent the length of the main span of the Dames point Bridge.
It is given that the bridge's main span is 30 meters shorter than the main span of the Dames Point Bridge.
Main span of the Sunshine Skyway Bridge = meters .... (2)
From (1) and (2) we get
Add 30 on both sides.
Hence, the required equation is and the length of the main span of the Dames point Bridge is 396 meters.
Answer:
The inverse of the h(x) is Step-by-step explanation:
Given : Expression
To find : The inverse of the expression ?
Solution :
Expression
Let, h(x)=y then
For inverse we replace the value of x and y and find the value of y in terms of x.
Replace the value of x and y,
Solve for y by cross multiply,
Adding 4 both side,
Dividing by 2 both side,
Therefore, The inverse of the h(x) is