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3 years ago

What is the length of the diagonal rectangle

Mathematics

1 answer:

rodikova [14]3 years ago

5 0

Answer:

Great question! The simple way to solve this is using a formula you may already know of from your teacher. It's called the pythagorean theorem!

What's the formula then, huh?

a² + b²= c²

c² is your hypotenuse, or the diagonal angle.

Plug it in!

12.75² + 17² = c²

Square the numbers!

162.5625 + 289 = c²

Add your numbers together!

162.5625 + 289 = c²

Now square root (√) both sides in order to get rid of the c²

454.5625 = c²

Final Answer:

c = 21.25 (D)

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kobusy [5.1K]

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3 years ago

Pirate Jack has an equal number of gold and silver coins. If Pirate Jack splits all of his coins into 7 equal piles for his parr

Tcecarenko [31]

Answer:

The least possible number of coins the Pirate has = 81

Step-by-step explanation:

Given:

Pirate Jack has equal number of gold and silver coins.

When the pirate splits the coins into 7 equal piles he has 4 coins left.

When the pirate splits the coins into 11 equal piles he has 4 coins left.

Every pile has at least 1 coin.

To find the least possible number of coins Pirate Jack has.

Solution:

In order to find the least possible number of coins pirate Jack has, we must find the least common multiple of the number of piles the coins are split into.

So, the least common multiple of 7 and 11 can be found by listing the multiples.

$7= 7,14,21,28...............,77$

$11=11,22,33,44,55,66,77$

So, we find the least common multiple of 7 and 11 is 77.

Number of coins left = 4

Total number of coins the pirate must have = $77+4 =81$

We can check the answer by dividing 81 by 7 and 11. I both cases we get remainder = 4.

So, the least possible number of coins the pirate has = 81

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4 years ago