You borrow 18,000 to buy a new car. you will pay 3,420$ in simple interest at the end of 6 years. what is the annual interest rate on your purchase?

I = Prt is the formula to use.

I = interest accrued. ($3420)

P= Principal ($18,000)

r = interest rate (what we're solving for)

t = time specified. (6 years)

3420 = 18,000 (r) (6)

3420 = 108,000

3420 ÷ 108,000 = 0.0316

We'll change the decimal to the percent by moving the decimal two place to the right. This will make it 3.2%.

Therefore, the annual interest rate would be 3.2%

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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6/20

step-by-step explanation: