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lesya [120]
3 years ago
9

How can you tell when the LCM of two numbers will equal one of the numbers or equal the product of the numbers

Mathematics
1 answer:
Vladimir79 [104]3 years ago
7 0

When one number will divide exactly into the other one then the other one will be the LCM. For example the LCM of 4 and 8 = 8 .

When they do not divide as above then the product of the numbers may be the LCM. For example the LCM of 3 and 4 = 3*4  = 12.  

The product is not always the LCM.  It might be a lower number . For example the LCM of 4  and 6 is not  24  but 12.  ( 24 / 2).

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How many different towers can you make using one red, one blue and one yellow block?
icang [17]
You can make 6 different towers. If red was at the bottom, there'd be two different possibilities for that: red, yellow, blue, and red, blue, yellow. Same for if blue was at the bottom: blue, red, yellow, and blue, yellow, red. Yellow also applies: yellow, red, blue, and yellow, blue, red. 3*2=6, so 6 possible towers. 
7 0
3 years ago
What’s is the area of shape B?
Phantasy [73]

Answer:

28.5 cm²

Step-by-step explanation:

There are 7 whole diamonds and 5 half-diamonds.  Each diamond is worth three.

7x3=21

5/2x3=7.5

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6 0
3 years ago
Read 2 more answers
40 is what percent of 32?
Daniel [21]

Answer:

125%

Step-by-step explanation:

Is means equals and of means multiply

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Divide each side by 32

40/32 = P

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Now change to percent form ( multiply by 100)

125%

7 0
3 years ago
Read 2 more answers
Is 1/3 greater than 5/6
Harman [31]
1/3 or 5/6 

Lets make the fractions into decimals. To make a fraction into decimal you have to divide the numerator by the denominator. The numerator is the top part of a fraction and the denominator is the bottom part of the fraction. 

≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡

Calculations

1/3
1 ÷ 3 =  0.3333.... 

5/6 
5 ÷ 6 = 0.83333...

0.83333... is greater then 0.3333.....
Therefore 5/6 is greater then 1/3 
1/3 is smaller then 5/6 
5 0
3 years ago
How would you write a phrase that represents the expression 7(n - 12)?
NemiM [27]
7n-84 would be your correct answer, 7 times n is 7n. 12 times 7 is 84 so therefore your answer would be 7n-84
7 0
3 years ago
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