
Start with the original function:

Substitute in the known value:

Multiply:

Add:

Answer:um
Step-by-step explanation:
X-y=7
y=3x+12|-3x
x-y=7
-3x+y=12
---------------------,-
-2x=19
x=-19/2
Answer:
Wow you got s lot of questions wrong
Step-by-step explanation:
Yearly compound interest is given by the following formula:

A is the total amount after the time period elapses. P is the initial amount invested. r is the interest rate in decimal form, and t is the amount of years that elapse.
The interest rate is 1.5%. Divide by 100 to convert into a decimal:

We now have all of our values to plug into the equation:



After 2 years, Mary will have 12,362.70 euros in her account.
To find the value of the investment, subtract the original amount from the new amount:

The value of the investment is
£362.70.