The number, N, of napkins used in a restaurant is N =f(C) = 2C, where C is the number of customers.
1 answer:
Answer:
The dependent variable is N; Number of Napkins
The independent variable is C; Number of Customers
Step-by-step explanation:
Given
Required
Determine the dependent and independent variable
Dependent variables are variables that standalone and are not influenced by other variables;
In the given parameters
<em>The customers, C is the independent variable</em>
Independent variables are the opposite of the dependent variables; They depend on other variables for their own values.
In the given parameters
<em>The number of Napkin, N is the dependent variable</em>
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Answer:
a) 1/27
b) 16
c) 1/8
Step-by-step explanation:
a)
One of the properties of the exponents tells us that when we have a negative exponent we can express it in terms of its positive exponent by turning it into the denominator (and changing its sign), so we would have:
And now, solving for x = 9 we have:
b)
This is already a positive rational exponent so we are just going to substitute the value of y = 8 into the expression
c)
Using the same property we used in a) we have:
And now, solving for z = 16 we have: