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algol [13]
3 years ago
11

How would the expression x2 +27 be rewritten using Sum of Cubes?

Mathematics
2 answers:
Vadim26 [7]3 years ago
6 0

Answer:the answer is (x+3)(x^2-3x+9)

Alexeev081 [22]3 years ago
3 0
This is a hard one but it’s either B. or D.
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What do you think is another example of when a person would need to use credit or borrow money?
NemiM [27]

Answer:

You need money for employees, equipment, office space and much more. Borrowing money to start your practice is often a good idea. The debt is being used to fund something that will likely generate healthy returns, allowing you to safely make the debt payments.

hope this helps :)

7 0
3 years ago
Solve the proportions:
IRINA_888 [86]

<u>Answer:</u>

  • 6. 6.75
  • 7. 27
  • 8. 92/17
  • 9. 49

<u>Step-by-step explanation:</u>

<u>- Question 6 -</u>

  • 9/16 = x/12
  • => 16x = 12 x 9
  • => 16x = 108
  • => x = 6.75

Hence, <u>the value of x in this proportion is 6.75.</u>

<h3>_______________________________</h3>

<u>- Question 7 -</u>

  • -3 + x/18 = 12/9
  • => -3/18 + x/18 = 4/3
  • => x/18 = 4/3 + 1/6
  • => x/18 = 8/6 + 1/6
  • => x/18 = 9/6
  • => x = 9/6 x 18
  • => x = 27

Hence, <u>the value of x is 27</u>

<h3>_______________________________</h3>

<u>- Question 8 -</u>

17/15 = 10/2x - 2

=> 17(2x - 2) = 150

=> 34x - 34 = 150

=> 34x = 184

=> x = 184/34

=> x = 92/17

Hence, <u>the value of x is 92/17</u>

<h3>_______________________________</h3>

<u>- Question 9 -</u>

  • x - 16/x + 6 = 3/5
  • => 5(x - 16) = 3(x + 6)
  • => 5x - 80 = 3x + 18
  • => 2x = 98
  • => x = 49

Hence, <u>the value of x is 49.</u>

<h3>_______________________________</h3>

Hoped this helped.

3 0
3 years ago
What is 4.7 times 10 to the negative third power (show your work)
Afina-wow [57]

Since we are working with an equation written in scientific notation and we are dealing with a negative exponent, we are going to divide 4.7 by 10 three times.

4.7 / 10 = 0.47

0.47 / 10 = 0.047

0.047 / 10 = 0.0047

Best of Luck!

4 0
3 years ago
Simplify 5(x + y) -3(x - y)
denis23 [38]

Answer:

2x + 8y

Step-by-step explanation:

5x + 5y - 3x + 3y

5x - 3x + 5y + 3y

2x + 8y

6 0
3 years ago
I NEED HELP ASAP WILL GIVE BRAINLYEST
kodGreya [7K]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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