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boyakko [2]
3 years ago
8

Find the LCM of the given numbers 9,27 you'll get 50 points if you answer

Mathematics
2 answers:
Ann [662]3 years ago
8 0

Answer:

27

Step-by-step explanation:

Alternatively, the lcm of 9 and 27 can be found using the prime factorization of 9 and 27: The prime factorization of 9 is: 3 x 3. The prime factorization of 27 is: 3 x 3 x 3. Eliminate the duplicate factors of the two lists, then multiply them once with the remaining factors of the lists to get lcm(9,9) = 27.

Yanka [14]3 years ago
7 0

Answer:

27

Step-by-step explanation:

Using Prime Factorization:

The Prime Factorization of 9 is: 9=3^2

The Prime Factorization of 27 is: 27=3^3

Using the highest factorization, the LCM is 27.

LCM(9,27)=3^3 = 27

Using the GCF Formula:  

LCM(a,b) = ( a × b) / GCF(a,b)

GCF(9,27) = 9

LCM(9,27) = ( 9 × 27) / 9

LCM(9,27) = 243 / 9

LCM(9,27) = 27

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2⋅2⋅2⋅5=40 2 ⋅ 2 ⋅ 2 ⋅ 5 = 40

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Depending on how big the center is, I would say 15.
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Attached is the solution.
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5 0
3 years ago
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Joni has a circular garden with a diameter of 14 1/2 feet if she uses 2 teaspoons of fertilizer for every 25 square feet of gard
alina1380 [7]

Answer:

13.20 teaspoon of fertiliser needed for entire garden.

Step-by-step explanation:

Diameter of the garden = 14.50 ft

Radius of the garden = 7.25 ft

Area

[tex]A=\pi r^2[/text]

[tex]A=\pi \times 7.25 \times 7.25[/text]

[tex]\pi=3.14[/text]

[tex]A=\pi \times 7.25 \times 7.25[/text]

[tex]A=3.14 \times 7.25 \times 7.25[/text]

Hence

[tex]A=165.046[/text]

Area is 165.046 Sq Ft

For 25 sq ft of fields the fertiliser needed = 2 tea spoon

For 1 sq ft of fields the fertiliser needed =

[tex]\frac{2}{25}[/text] tea spoon

For 165.046 sq ft of fields the fertiliser needed =

[tex]\frac{2 \times 165.046 }{25}[/text] tea spoon

For 165.046 sq ft of fields the fertiliser needed = 13.20 tea spoon

6 0
3 years ago
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