Joey had 59 dolphin stickers. He gave 5 stickers each to 8 friends. How many stickers does Joey have left?
2 answers:
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Answer:
The range of the function is
Step-by-step explanation:
Consider the provided information.
The plumber charges a fixed cost of $80 plus an additional cost of $45 per hour.
Let plumber works for x hours, then the required linear function will be:
The plumber works a maximum of 8 hours per day.
That means the minimum value of x is 0 and maximum value of x is 8.
We need to find the range of the function.
Range of the function is the set of y values.
Substitute x=0 in above function,
Now substitute x=8 in above function.
Hence, the range of the function is
Answer:
Brionny invested £8400.
Step-by-step explanation:
Simple Interest
This is a simple interest problem.
The simple interest formula is given by:
In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
In this question:
We divide in two intervals, the first year and the second year. We have to know that the amount after the end of the first year is the principal at the start of the second year.
First year:
Amount of 2% interest, during 1 year.
So the interest earned is:
The total amount at the end of the first year is:
Second year:
We have that:
The interest earned is of:
The total amount is:
After two years, the investment is worth £8653.68 How much did Briony invest?
So
Brionny invested £8400.