What is the prime factorization of 12
2 answers:
Answer: 2 × 2 × 3
Step-by-step explanation: To start off this problem, notice that 12 can be factored into 2 × 6.
Since 2 is a prime number, we move onto the 6. The number 6 is not a prime number and it can be factored into 2 × 3.
Since 2 and 3 are prime numbers, we are finished factoring.
If we bring down the 2 we had from the first factoring step, we can see that the prime factorization of 12 is 2 × 2 × 3.
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- Find x.
To solve these type of problems you need to use the pythagoras theorem ⇨ Hypotenuse² = Base² + Altitude².
Here,
- Altitude = 1.6 cm.
- Base = 1.2 cm
- Hypotenuse = x
Now, let's solve for x.
Hypotenuse² = Base² + Altitude²
x² = (1.2)² + (1.6)²
x² = 1.44 + 2.56
x² = 4
x = √4
x = <em><u>2</u></em><em><u>.</u></em>
- So, the value of x is <em><u>2</u><u> </u><u>cm.</u></em>
- Pythagoras theorem can be used only in the cases of right-angled triangles. Here, it's given that the triangle is right angled so we can use this theorem.
- To solve the squares if decimals, take them as whole numbers & then just add the decimal points. For example, ⇨ for (1.2)², take it as 12² , then multiply 12 by 12, you'll get 144. Now, add the decimal place accordingly ⇨ 1.44 . So, (1.2)² = 1.44.