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xxMikexx [17]
3 years ago
13

Please help me with it this vectors exercise. Calculate:

Mathematics
1 answer:
ohaa [14]3 years ago
5 0

Answer:

ummm

Step-by-step explanation:

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50 POINTS!!!!!!!
nevsk [136]

Answer: Option C)1 over 15 minus 1 over x equals 1 over 20

Explanation:

Since, Micah can fill a box with books in 15 minutes.

Therefore, the work done by Micah in one minute= 1/15

Also, Sydney takes the books out puts them on a shelf.

And the times taken by Micah when Sydney is also taking the books outside from the self= 20 minutes

Therefore, the work done by Micah in one minute when Sydney  taking books out of the box= 1/20

Let Sydney alone takes x minutes to take books outsides the shelf.

Then, work done by Sydney in one minute=1/x

Thus, the work done by Sydney( by taking books out of the box)=  the work done by Micah - work done by Micah and Sydney simultaneously= 1/15-1/20

⇒1/x=1/15-1/20

⇒1/15-1/20=1/x

⇒1/15-1/x=1/20 is the required expression.

Therefore, Option C is correct.



4 0
3 years ago
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5^-15 rewritten using a positive exponent
AveGali [126]

Answer:

CHINA

Step-by-step explanation:

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2 years ago
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vlada-n [284]

Answer:

20%

Step-by-step explanation:

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3 years ago
Mark bought a package of 62 candies to stuff 10 party favor bags. If each party favor bags receives and equal number of will be
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2 candies will be left over after you but ten in each bag.
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A fair coined is flipped what is the probability it will land on its head
Georgia [21]
For example, the probability of an outcome of heads on the toss of a fair coin is ½ or 0.5. The probability of an event can also be expressed as a percentage (e.g., an outcome of heads on the toss of a fair coin is 50% likely) or as odds (e.g., the odds of heads on the toss of a fair coin is 1:1).
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2 years ago
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