You first divide 40 by 19:
19/40=?
Then you convert that to percentage by dropping the decimal point and attaching a %
(hint: you should get 48% about :)
Answer:
She is actually paying a rate of 7.36% of interest.
Step-by-step explanation:
The real interest rate, as a decimal, is given by:

In which r is the interest rate and n is the number of compoundings during an year.
The nominal rate on Sandra's loan is 7.125%, compounded monthly:
This means that 
So

As a percentage: 1.0736*100 = 107.36% - 100% = 7.36%
She is actually paying a rate of 7.36% of interest.
Answer:
Add 1,105.28 + 200.96 + 200.96.
Step-by-step explanation:
we know that
The surface area of the cylinder is equal to

where
B is the area of the circular base
LA is the lateral area
In this problem we have


substitute



Answer:
340/(1-90%)= 3400
Step-by-step explanation:
Multiply it by using scientific notation then multiply 2X0.00000010 and compare it to the coil which is 2X0.000010