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Bond [772]
3 years ago
5

Complete the square to make a perfect square trinomial. Then, write the result as a binomial squared. n^2-4n/3

Mathematics
1 answer:
ololo11 [35]3 years ago
7 0

Answer:

(n- 2/3)²

Step-by-step explanation:

  • <em>Perfect square trinomial is: </em><em>a²+2ab+b²= (a+b)²</em>

We have:

  • n² - 4n/3

It can be put as:

  • n² -2×n×2/3

Here we consider n = a and -2/3 = b, then

  • b²= (-2/3)²= 4/9

Now we add 4/9 to a given binomial to make it perfect square:

  • n² - 2×n×3/2 + 4/9= (n- 2/3)²

So, added 4/9 and got a perfect square (n- 2/3)²

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weeeeeb [17]

In 2000 Emily was 9 years old.

Given that in the year 2015 Emily was three times as old as Kaitlin while by the year 2021 Kaitlin will be half as old as Emily will be, to determine how old was Emily on the year 2000 the following calculation must be performed:

  • 2015 = E = 3K
  • 2021 = E = 2K  
  • 24 /// 8 --- 30 /// 14
  • 18 /// 6 --- 24 /// 12
  • 18/6 = 3
  • 24/12 = 2
  • 2015 = Emily was 24 years old
  • 24 - (2015 - 2000) = X
  • 24 - 15 = X
  • 9 = X

Therefore, in 2000 Emily was 9 years old.

Learn more in brainly.com/question/20025195

8 0
3 years ago
What is the answer and the work i have to do to get to it
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Answer:

B

Step-by-step explanation:

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Which decimal does NOT represent the amount shaded in the grid? M
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Answer:

B.

Step-by-step explanation:

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6 0
3 years ago
Help help help help help
Nesterboy [21]

Answer:

b =  \sqrt{65}

Step-by-step explanation:

{b}^{2}  +  {4}^{2}  =  {9}^{2}  \\  {b}^{2} + 16 = 81 \\  {b}^{2}   = 81 - 16 \\  {b}^{2}  = 65 \\ b =  \sqrt{65}

I hope I helped you^_^

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Sven got money for his birthday. He spent $12 of the money and now has $28 left. Write and solve an equation to find out how muc
Dennis_Churaev [7]

Answer:

Equation

28  =  X - 12

Solve for X

Isolate the X

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Step-by-step explanation:

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