amy borrowed money from the lending company at 6% interest if she paid an interest of php450.00 after 19months how much money did she borrow

She borrowed php4737.00.

Step-by-step explanation:

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:

6% interest:

This means that

19 months:

An year has 12 months, so

She paid an interest of php 450. How much money did she borrow

This is P when . So

She borrowed php4737.00.

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7