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noname [10]
3 years ago
9

To do a job alone, it would take Dan 6 hours, Fran 2 hours, and Stan 3 hours. How long would it take to do the job if they all w

orked together? Show process please.
Mathematics
2 answers:
marishachu [46]3 years ago
7 0
It will take 9 hours
insens350 [35]3 years ago
6 0

Answer:

divide the hours together

9 hours

Step-by-step explanation:

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Step-by-step explanation:

The expression has two adjacent negative signs in the middle. The two negative signs are to be multiplied, which then produces one positive sign.

Choice B is therefore correct because the expression becomes 6+6 which is 6 to the right of the number line where the numbers are increasing.

Choice D is also equally correct because the addition of 6 to 6 equals 12(6+6 = 12).

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3 years ago
given statement: if a shape is a rohmbus, then the diagonals are perpendicular. a square is a rohmbus. what is a logical conclus
harkovskaia [24]

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The diagonals of a square are perpendicular.

Step-by-step explanation:

6 0
2 years ago
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finlep [7]

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There is no value

Step-by-step explanation:

x is not in the equation given, meaning that there would be no "Value of x"

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3 years ago
If you randomly select a beginner runner from the population have them run a 5k, what are the chances that they would finish it
Talja [164]

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Step-by-step explanation:

8 0
3 years ago
What is the slope of the line that passes through 2,-1 and 2,-5
Eddi Din [679]

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Undefined.

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When using the formula y2-y1/x2-x1, the result comes out as -4/0. Any number over a 0 is undefined.

3 0
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