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jasenka [17]
3 years ago
6

Which expression is equivalent to 3 square root 216x^27? 6x3 6x9 72x3 72x9

Mathematics
2 answers:
Oduvanchick [21]3 years ago
7 0

The expression is \boxed{6{x^9}} which is equivalent to \sqrt[3]{{216{x^{27}}}} a perfect cube.Option (b) is correct.

Further Explanation:

Given:

The expression is \sqrt[3]{{216{x^{27}}}}.

The options are as follows,

(a). 6{x^3}

(b). 6{x^9}

(c). 72{x^3}

(d). 72{x^9}

Calculation:

The given expression is \sqrt[3]{{216{x^{27}}}}.

Consider the given expression as A = \sqrt[3]{{216{x^{27}}}}.

Solve the above expression to obtain the simplest form.

\begin{aligned}A&= \sqrt[3]{{216{x^{27}}}}\\&= \sqrt[3]{{{{\left( 6 \right)}^3}{{\left( {{x^9}} \right)}^3}}}\\&=\sqrt[3]{{{{\left( {6{x^9}} \right)}^3}}}\\&= 6{x^9}\\\end{aligned}

The simplest form of the expression is 6{x^9}.

The expression is \boxed{6{x^9}} which is equivalent to \sqrt[3]{{216{x^{27}}}} a perfect cube.Option (b) is correct.

Option (a) is not correct as the \sqrt[3]{{216{x^{27}}}} is 6{x^9}.

Option (b) is correct as the \sqrt[3]{{216{x^{27}}}} is 6{x^9}.

Option (c) is not correct as the \sqrt[3]{{216{x^{27}}}} is 6{x^9}.

Option (d) is not correct as the \sqrt[3]{{216{x^{27}}}} is 6{x^9}.

Learn more:

  1. Learn more about unit conversion brainly.com/question/4837736
  2. Learn more about non-collinear brainly.com/question/4165000
  3. Learn more aboutbinomial and trinomial brainly.com/question/1394854

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Exponents and Powers

Keywords: Solution, perfect cube, factorized form, expression, difference of cubes, exponents, power, equation, power rule, exponent rule, 3 square root, 216x^27, equivalent.

NeTakaya3 years ago
4 0
What is asked in the problem is the cube root of the given expression which is a product of the cube root of the numerical coefficient, 216, and that of the the variable, x^27. The cube root of 216 is 6 and that of x^27 is x^9. Thus, the answer is 6x^9. 
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Here are three stories:
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Answer:

1)

a) 6x+3 = 27

b) x=4

c) We know that x is price of each ticket, so The price of each ticket is $4. They bought 6 tickets, so total cost of ticket = 24 and $3 for parking so, total money spent = $27.

2)

a) 3x + 6 = 27

b) x= 7

c) We know that x is amount of juice poured, so 3 friends of Diego will get 7 ounces of Juice, while Diego will get 6 ounces of juice.

3)

a) 27x + 3 = 6

b) x= 1/9

c) We know that x is time spend on each picture, so Jada spend 1/9 hour on each picture

Step-by-step explanation:

1. A family buys 6 tickets to a show. They also pay a $3 parking fee. They spend $27 to see the  show.

a)  Decide which equation represents each story. What does x represent in each equation?

Let x be price of one ticket.

The equation will be: 6x+3 = 27

b. Find the solution to each equation. Explain or show your reasoning,

Now solving the equation:

6x+3=27

6x=27-3

6x=24

x=24/6

x=4

So, we get x = 4

c. What does each solution tell you about its situation?

We know that x is price of each ticket, so The price of each ticket is $4. They bought 6 tickets, so total cost of ticket = 24 and $3 for parking so, total money spent = $27.

2. Diego has 27 ounces of juice. He pours equal amounts for each of his 3 friends and has 6  ounces left for himself.

a)  Decide which equation represents each story. What does x represent in each equation?

Let x be amount of juice poured.

The equation will be: 3x+6 = 27

b. Find the solution to each equation. Explain or show your reasoning,

Now solving the equation:

3x+6=27

3x=27-6

3x=21

x=21/3

x=7

So, we get x = 7

c. What does each solution tell you about its situation?

We know that x is amount of juice poured, so 3 friends of Diego will get 7 ounces of Juice, while Diego will get 6 ounces of juice.

3. Diego has 27 ounces of juice. He pours equal amounts for each of his 3 friends and has 6  ounces left for himself.

a)  Jada works for 6 hours preparing for the art fair. She spends 3 hours on a sculpture and  then paints 27 picture frames.

Let x be time spend on each picture frame.

The equation will be: 27x+3=6

b. Find the solution to each equation. Explain or show your reasoning,

Now solving the equation:

27x+3=6

27x=6-3

27x=3

x=3/27

x=1/9

So, we get x = 1/9

c. What does each solution tell you about its situation?

We know that x is time spend on each picture, so Jada spend 1/9 hour on each picture

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