$500 6% 4 years whats the difference between the simple and compound interest

Mathematics

1 answer:

shepuryov [24]3 years ago

4 0

Step-by-step explanation:

=500×6/100 ×4

<h2> compound interest </h2>

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5+2 root 3 / 7+4 root 3 =a-6root3

STALIN [3.7K]

Answer:

Step-by-step explanation:

$\dfrac{5+2\sqrt3}{7+4\sqrt3}\qquad\text{use}\ (a+b)(a-b)=a^2-b^2\\\\=\dfrac{5+2\sqrt3}{7+4\sqrt3}\cdot\dfrac{7-4\sqrt3}{7-4\sqrt3}=\dfrac{(5+2\sqrt3)(7-4\sqrt3)}{7^2-(4\sqrt3)^2}\qquad\text{use FOIL}\\\\=\dfrac{(5)(7)+(5)(-4\sqrt3)+(2\sqrt3)(7)+(2\sqrt3)(-4\sqrt3)}{49-4^2(\sqrt3)^2}\\\\=\dfrac{35-20\sqrt3+14\sqrt3-8(3)}{49-(16)(3)}=\dfrac{(35-24)+(-20\sqrt3+14\sqrt3)}{49-48}\\\\=\dfrac{11-6\sqrt3}{1}=11-6\sqrt3$

8 0

3 years ago

Bryan brought his series set of Rowan and the Dragon Quest to a secondhand store to sell. He was paid cash for all 5 books in th

stellarik [79]

The value of each book in the set will be $6.5 when he sold his books to the second hand store.

<h3>What is profit and loss?</h3>

When we sell any product above its cost price then there will be profit if the selling price is less then the cost price then there will be loss on the product.

here the total cost of the books sold will be given as:-

$\$29.75+ \$2.75 =\$ 32.5$