Mike and his bestfriend dan have the same birthday, but mike is three years older than dan. Let the variable x represent mikes a
ge and y represent dans age. Which graph represents the relationship between Dans age and Mikes age ?
2 answers:
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Answer:
The minimum balance is $ 1,000
Step-by-step explanation:
According to the expression used to define the balance in Tim's account, at time t = 0:
Then, the initial balance in Tim's account is 1000 dollars. One year later, the balance in Tim's account will be:
And each subsequent year, the balance will increase in a factor of 1.06. The minimum balance in Tim's account is 1000, and there is no possibility that the balance could be less than that amount of money.
Answer:
Georgina should add 3 liters of 49% citric acid solution.
Step-by-step explanation:
let x be the liters of 49% solution that Georgina should add. Then after she has added 0.5 liters of water, the total liters of solution she has will be
and 42% of this should be the solute:
and since adding water does not add any solvent, this amount must come from the 49% citric acid solution; therefore
Solving for we get:
This the amount of 49% citric acid solution Georgina must add.