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Gwar [14]
3 years ago
10

Factor the polynomial completely

Mathematics
1 answer:
topjm [15]3 years ago
8 0
----------------------------------
Question
----------------------------------
3n⁵ - 48n³ 

----------------------------------
Take out common factors
----------------------------------
3n³(n² - 16)

----------------------------------
Form two perfect squares
----------------------------------
3n³(n² - 4²)

----------------------------------
Factorise the perfect square
----------------------------------
3n³(n - 4)(n + 4)



----------------------------------
Answer : 3n³(n - 4)(n + 4)
----------------------------------
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A combined total of $46,000 is invested in two bonds that pay 4% and
valkas [14]


Answer: 4%-16000 and 9.5%-30000

Why:

1) x+y=46000

x=46000-y

2) 4%x+9,5%y=3490;

4x + 9.5y=349000; so 4*(46000-y)+9.5y=349000;

5.5y=165000

y=30000

x=46000-30000=16000


5 0
3 years ago
How To work this out ?
MrMuchimi
(a) Using the completing the square method, we need to write  into the form of  where , so
Expand to find the value of c
Notice that we get back the first two terms, the  and the .We need to get rid of the last term of '9' as the term was not in the original form. The final form will look like
Hence, 
(b)          
(c) , square root both sides      plus and minus of 2     Hence           
 
6 0
3 years ago
A triangle has side lengths 2.83 m, 4 m, and 2.24 m. The angles measures are 45°, 63°, and 72°.
vagabundo [1.1K]

Answer:

  • D) acute scalene

Step-by-step explanation:

<h3>What are the definitions?</h3>

  • Obtuse triangle - the triangle with angle greater than 90°;
  • Acute triangle - the triangle with all interior angles under 90°;
  • Isosceles triangle - the triangle with a pair of equal sides;
  • Scalene triangle - the triangle with all three sides (or angles) of different measure.

<h3>What we have?</h3>

  • All sides are different and all angles are under 90°.

<h3>Which option is correct?</h3>

  • D) acute scalene

7 0
2 years ago
A marble factory ships marbles using bags of 10, cases of 100, cartons of 1,000, and boxes of 10,000. The factory has an order f
disa [49]
They factory could use 35 cases of 100 and 7 bags of 10.

I hope my answer helps. =)
6 0
3 years ago
Simplify -2√-45 please
algol [13]

Answer:

l-4l+l-3l??

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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