He would need exactly 20 more dimes.
42 x 18 = 756
776 divided by 756 = 20
By using the process of elimination, the answer is A.
value of x is: 
Step-by-step explanation:
We need to solve the equation f(x)=g(x)
where 
and 
Solving to find f(x)=g(x)
Putting values of f(x) and g(x)

So, value of x is: 
The graph will be a straight line x= -2.58 or x = -31/12
Keywords: Composition of Functions
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Answer:
Step-by-step explanation:
x/8=2/11
Answer:
The temperature of the coffee after 10 minutes will be 21.27°C.
Step-by-step explanation:
The equation representing the elapsed time, <em>m</em>, in minutes, since the coffee was left to cool, and the temperature of the coffee, <em>T</em>, measured in °C is:

Compute the temperature of the coffee after 10 minutes as follows:


Thus, the temperature of the coffee after 10 minutes will be 21.27°C.