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vaieri [72.5K]
2 years ago
9

Can someone please factor this expression 27/x³- 8​

Mathematics
2 answers:
almond37 [142]2 years ago
6 0

Answer:

(3x-2) (9xsquare+6x+4)

NISA [10]2 years ago
4 0

Answer:

Answer is below

Step-by-step explanation:

\frac{27}{x^{3} } -8= (\frac{3}{x})^{3}  -2^{3} =(\frac{3}{x}  -2)(\frac{9}{x^{2}}+\frac{6}{x}+4)

(  from formula (a³ – b³) = (a – b)(a² + b² + ab)  )

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A rectangle has a perimeter of 200m. The length to width ratio is 3:2. Find the LENGTH
Lapatulllka [165]

Answer:

length = 60m

Step-by-step explanation:

let '3x' = length

let '2x' = width

3x + 3x + 2x + 2x = 200

10x = 200

x = 20

length = 3x = 3(20) = 60

4 0
3 years ago
Jill has 4 bags of marbles. There are 3red, 5green,2 yellow, and 6black marbles I. Each bag. How many marbles does Jill have? Sh
Eddi Din [679]
3+5+2+6=16 in each bag multiply or divide sorry not that much of an answer
6 0
3 years ago
Read 2 more answers
Please help!!!!!!! Please help!!!!!! Please help!!!!!!
Nitella [24]

Answers:

  1. Discrete
  2. Continuous
  3. Discrete
  4. Continuous

==============================================

Explanations:

  1. This is discrete because we can't have half a basketball, or any non-whole decimal value to represent the number of basketballs. We can only consider positive whole numbers {1,2,3,4,...}. A discrete set like this has gaps between items. In other words, the midpoint of 2 and 3 (the value 2.5) isn't a valid number of basketballs.
  2. This is continuous because time values are continuous. We can take any two different markers in time, and find a midpoint between them. For example, the midpoint of 5 minutes and 17 minutes is 11 minutes since (5+17)/2 = 22/2 = 11. Continuous sets like this do not have any gaps between items. We can consider this to be densely packed.
  3. This is the same as problem 1, so we have another discrete function. You either score a bullseye or you don't. We can't score half a bullseye. The only possible values are {1,2,3,4,...}
  4. This is similar to problem 2. This function is continuous. Pick any two different positive real numbers to represent the amount of gallons of water. You will always be able to find a midpoint between those values (eg: we can have half a gallon) and such a measurement makes sense.

So in short, always try to ask the question: Can I pick two different values, compute the midpoint, and have that midpoint make sense? If so, then you're dealing with a continuous variable. Otherwise, the data is discrete.

7 0
3 years ago
Mrs. Cole has a bag containing white and yellow marbles. Mrs. Cole randomly selects one marble from the bag, records the result,
DochEvi [55]
I think the correct answer is 63 because 41 of 65 is 63.08 rounded to the nearest percent is 63
6 0
3 years ago
10 less than a number is the same number doubled. What is the number?
slega [8]

Answer:

-10

Step-by-step explanation:

Let x = number

10 less than a number is the same number doubled

x-10 = 2x

Subtract x from each side

x-10-x = 2x-x

-10 = x

The number is -10

5 0
3 years ago
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