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Inessa [10]
3 years ago
14

Factorise the following expression :​

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
3 0

Answer:

36a²b-60a²bc

6×6×a²×b-6×10×a²b×c

6a²b(6-10c)

6a²b((2(3-5c))

6×2a²b(3-5c)

12a²b(3-5c)

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2) DE

Best luck with your studying
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A tank is filled with 1000 liters of pure water. Brine containing 0.07 kg of salt per liter enters the tank at 9 liters per minu
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Step-by-step explanation:

7 0
3 years ago
The length of a rectangle is 3 inches longer than half of its width. The area of the
IgorLugansk [536]

Answer:

Width = 26 inches

Step-by-step explanation:

The area of the rectangle is:

area = (length*width)

416 = a*b

a = b/2  + 3

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b = width

then:

416 = (b/2 + 3) (b)

416 = b*b/2 + b*3

416 = b²/2 + 3b

0 = b²/2 + 3b - 416

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b = {-3±√(9+832)} / 1

b = {-3±√841}

b = -3±29

only take the positive value becuse is a natural number

b = -3+29

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8 0
3 years ago
The product of a number and 5
steposvetlana [31]
Pretty sure it would be 5x u less theres more to the problem
4 0
2 years ago
At a toy factory, toy cars are produced on an assembly line. It takes 2.054 s to attach each of the four wheels. It takes 3.652
IrinaK [193]
Add together the time it takes to put on the four wheels and the hood.
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multiple this answer by 42

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answer number two is correct
8 0
3 years ago
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