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attashe74 [19]
3 years ago
5

Machines a and t were both cleaned this week machine a is cleaned every 15 weeks and machine t is cleaned every 12 weeks what is

the fewest number of weeks that will pass before both machines are cleaned again in the same week. Please show work LCM
Mathematics
1 answer:
lapo4ka [179]3 years ago
7 0

Answer:

60 weeks

Step-by-step explanation:

Factor both numbers 12 and 15:

  • 12=2\cdot 2\cdot 3;
  • 15=3\cdot 5.

Find LCM(12,15). The common factor is only 3, multiply ths common factor by all factors that remain. Then

LCM(12,15)=3\cdot 2\cdot 2\cdot 5=60.

This means that the fewest number of weeks that will pass before both machines are cleaned again in the same week is 60 weeks.

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Answer: OPTION B

Step-by-step explanation:

To solve this problem you must add the areas of each rectangle that form the prism;

The area of a rectangle can be calculated with the formula:

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There are three pairs of equal rectangles, then you can find the surface area of 3 rectangles and multiply each one by 2, then you obtain that the surface area of the prism is:

SA_{prism}=2(6cm*2cm)+2(3cm*6cm)+2(3cm*2cm)=72cm^{2}

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2 years ago
Aaron bought 8 red flags for the parade. Large flags cost $20 each. Medium flags cost $12 each. Aaron spent $112 in all. How man
andrew11 [14]

Answer:

Step-by-step explanation:

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Large Flags: 8-6=2

----------------------------------

The reason why this works, is because the amount of money more comes from the difference between both flags.

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3 years ago
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WINSTONCH [101]
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3 years ago
279÷24=?<br> Write your answer as a whole number and remainder.
Anika [276]

Answer:

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Step-by-step explanation:


8 0
3 years ago
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the Answer is

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