Mathematics: You borrow $3,209 from a friend and promise to pay back $4,210.21 in 4 years. What simple interest rate will you pay?

You borrow $3,209 from a friend and promise to pay

AD4MF4HM1

10.04.2022

7.80%

Step-by-step explanation:

Given data

Amount borrowed=$3,209

Payback amount= $4,210.21

Simple interest= 4,210.21-3,209= 1001.21

time= 4 years

We know that

SI= PRT/100

1001.21= 3,209*R*4/100

cross multiply

1001.21*100= 12836R

100121/ 12836= R

R=7.80

Hence the rate is 7.80%

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netflixacc0107

04.01.2023

17 ft.

Step-by-step explanation:

We have been given that Carl dives in and touches the bottom of the pool, 15 feet below the surface of the water.

The elevation of Carl's hand would be $-15\text{ ft}$ .

Cameron is standing on a diving platform 2 feet above the surface. The elevation of Cameron's feet would be $2\text{ ft}$ .

The vertical distance between Carl's hand and Cameron's feet would be difference of both altitudes.

$\text{The vertical distance}=2\text{ ft}-(-15)\text{ ft}$

$\text{The vertical distance}=2\text{ ft}+15\text{ ft}$

$\text{The vertical distance}=17\text{ ft}$

Therefore, the vertical distance between Carl's hand and Cameron's feet is 17 ft.

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