Answer:
A) 2 months
Explanation:
The base fee is $20.
The monthly rate is $30.
We can represent the number of months with the variable ‘x’.
The equation for this problem would look like this: 20+30x=80
In words, it would be: base fee + monthly rate*x = $80
Hope this helped!
Answer:
2x+7
Step-by-step explanation:
Answer:
w(7) = 24
Step-by-step explanation:
To evaluate w(7) substitute a = 7 into w(a)
w(7) = 4(7) - 4 = 28 - 4 = 24
The balanced equation for the given reaction
<h3>What is a double replacement reaction?</h3>
A double replacement is a chemical reaction that takes place in which two reactants swap cations or anions to produce two distinct products.
Whenever the cations representing one of the reactants interact with the anions from another reactant to produce an insoluble ionic compound, a precipitate occurs.
The balanced equation for the given reaction:
Learn more about double displacement reactions here:
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Answer:
See graph attached
Step-by-step explanation: