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aleksklad [387]
2 years ago
15

Simplify the expression: -3b - 3b

Mathematics
2 answers:
Ksju [112]2 years ago
6 0

Answer:

Step-by-step explanation:

-3b - 3b= (-3b)+(-3b)= -6b

Molodets [167]2 years ago
4 0

Answer:

the answer is: -6b

Step-by-step explanation:

you would subtract 3b from -3b making it -6b

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Answer:

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Step-by-step explanation:

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klemol [59]

Answer:

The answer is below

Step-by-step explanation:

Let us assume the rate of printing in machine A is x per hour and the rate for machine B is y. Given that machine B prints at half the rate of machine A, therefore:

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Also, both machine produces 200 newspaper printouts, and both operate at different times for a total of 4 hours. Therefore:

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Put y = (1/2)x in equation:

\frac{200}{x}+\frac{200}{(\frac{1}{2} )x}=4\\ \\ \frac{200}{x}+\frac{400}{x}=4\\\\Multiply\ through\ by\ x:\\\\200+400=4x\\\\4x=600\\\\x=150

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6 0
3 years ago
What is 363 rounded to the nearest ten
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I think the answer is 360
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