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3 years ago

I need some help in geometry

Mathematics

1 answer:

kogti [31]3 years ago

8 0

Answer:

JT = 29

Step-by-step explanation:

CT=CJ+JT

69= (4x+8)+ ( 3x+5)

69= 7x +13

7x= 69-13

7x= 56

x=56/7

x=8

JT=3x+5=3(8)+5= 24+5=29

I hope I helped you^_^

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A square has a perimeter of 8 cm. What is its area?

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So if we call the length of each side of the square 'a'

The sum of length of all the sides (the perimeter) will be ,

a + a + a + a = 4a

Now let's equal this to the perimeter to find the length of each side 'a'

$4a\quad =\quad 8\\ \\ a\quad =\quad \frac { 8 }{ 4 } \\ \\ a\quad =\quad 2$

So the length of each side of the square is 2 cm

To find area of a square we multiply the length of its two sides

So,

$a\cdot a$ is the area of the square,

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Answer:

"Prime Factorization" is finding which prime numbers multiply together to make the original number.

Here are some examples:

Example 1: What are the prime factors of 12 ?

It is best to start working from the smallest prime number, which is 2, so let's check:

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Yes, it divided exactly by 2. We have taken the first step!

But 6 is not a prime number, so we need to go further. Let's try 2 again:

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Yes, that worked also. And 3 is a prime number, so we have the answer:

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As you can see, every factor is a prime number, so the answer must be right.

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