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valentinak56 [21]
3 years ago
9

Simply the expression (9x^6)^-1/2

Mathematics
1 answer:
Nookie1986 [14]3 years ago
5 0
(9x^6)^-1/2
=1/(9x^6)^1/2
=1/9^1/2 • x^3
=(3^2)^1/2 • x^3
=1/3x^3
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the length of a rectangle is 4 meters less than twice its width. The area of the rectangle is 70m2. Find the dimensions of the r
Elina [12.6K]
If the width = x m then the length =  2x - 4 m

Area =  x(2x - 4) = 70

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2x^2 - 14x + 10x - 70 = 0

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(2x + 10)(x - 7) = 0
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7 0
3 years ago
tim spends 25% of his time at the gym dooing leg exercises , 1/5 on shoulder exercises , 0.35 on biceps exercises , and warming
svetoff [14.1K]

Answer:

20%

Step-by-step explanation:

1/5 of 1 hour = 20 minutes

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Answer = 20%

Hope this helps!

3 0
4 years ago
A person died leaving behind inheritance of Rs. 300000. Distribute the amount among 4 sons and 3 daughters so that each son gets
yan [13]
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3 0
3 years ago
The total cost of 1 pencil and 2 erasers is £8, and the total cost of 2 pencils and 4 erasers is £20, as shown below:
Paul [167]

Answer:

see explanation

Step-by-step explanation:

The 2 equations are

x + 2y = 8 → (1)

2x + 4y = 20 → (2)

8 0
3 years ago
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