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yulyashka [42]
3 years ago
12

What melody was used as the basis for "My country, 'Tis of Thee"?

Mathematics
1 answer:
aleksandrvk [35]3 years ago
4 0
The melody used as the basis for “My country, ‘Tis of Thee” is God Save The King.
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Irina18 [472]

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144 hope it helps

Step-by-step explanation:

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The difference between the cost of fish and the coast of meat is no less than 150​
zmey [24]

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I thought fish was another form of meat but wow!!

Step-by-step explanation:

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A right triangle has:
Tom [10]

Answer:

An isosceles right triangle has 2 congruent sides.

7 0
3 years ago
PLZ HELP, AND PLZ EXPLAIN
shutvik [7]

Answer:

C

Step-by-step explanation:

To make it easy let's start by organizing our information :

  • AC=12 AND BD=8
  • ABCD is a rhombus
  • K and L are the midpoints of sides AD and CD
  • we notice that the rhombus ABCD is divided into four right triangles

What do you think of when you hear a right triangle ?

  • The pythagorian theorem !

AC and BD  are khown so let's focus on them .

If we concentrated we can notice that AB and BD are cossing each other in the midpoints . why ?

Simply because they are the diagonals of a rhombus .

ow let's apply the pythagorian theorem :

  • (AC/2)² + (BD/2)² = BC²
  • 6²+4²=52
  • BC²= 52⇒\sqrt{52}=BC

Now we khow that : AB=BC=CD=AD=\sqrt{52}

This isn't enough . Let's try to figure out a way to calculate the length of KL  wich is the base of the triangle

  • KL is parallel to AC
  • k is the midpoint of AD and L of DC

I smell something . yes! Thales theorem

  • KL/AC=DL/DC=DK/AD WE4LL TAKE OLY ONE
  • KL/12=\sqrt{52}/2*\sqrt{52}  
  • KL/12=1/2⇒ KL=6

Now we have the length of the base kl

Now the big boss the height :

  • notice that you khow the length of KL
  • BD crosses kl from its midpoint and DL = \sqrt{52} /2

What I want to do is to apply the pythgorian thaorem to khow the lenght of that small part that is not a part of the height of the triangle . I will call it D

  • DL²=(KL/2)²+D²
  • 52/4= 9+ D²
  • D² = 52/4-9 +4 SO D=2

now the height of the trigle is H= BD-D= 8-2=6

NOw the area of the triangle is :

  • A=(KL*H)/2 ⇒ A= (6*6)/2=18

THE ANSWER IS 18 SQ.UN

5 0
3 years ago
ABCD is a parallelogram. Determine the length of AD. ANSWERS: A) 2.5 units B) 10 units C) 11 units D) 5 units
noname [10]

Answer:

D) 5

Step-by-step explanation:

Since 2x = x+5, we have x = 5.

6 0
3 years ago
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