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nadya68 [22]
3 years ago
5

Jay can paint a car in six hours. mike can paint the same car in three hours. if they work together, how long will it take them

to paint the car?
Mathematics
1 answer:
pentagon [3]3 years ago
7 0
Let x be number of hours taken working together, then:-

1/6 + 1/3  = 1 / x

* thru by the LCD 6x:-

x + 2x = 6
3x = 6
x = 2

Answer:-   they will take 2 hours.
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Sunny_sXe [5.5K]
So thi sis really simple since you have an equal sign so



(n/3)-(5n/6)=1/3
to subtract fractions, make the bottom number the same
n/3 times 2/2=2n/6
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divide both sides by 3
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n=-2/3
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3 years ago
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Julia is casting a play with 4 main roles. Six students
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Using the combination formula, it is found that Julia can take 15 combinations.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

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For this problem, 4 students are taken from a set of 6, hence the number of combinations is given as follows:

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More can be learned about the combination formula at brainly.com/question/25821700

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