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Ann [662]
3 years ago
11

Express in simplest form : cubed root of a^6b^9/-64. Show work

Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0
The answer is  \frac{ a^{2} b^{3} }{-4}

\sqrt[3]{ \frac{ a^{6} b^{9}  }{-64} } = \frac{ \sqrt[3]{a^{6} b^{9}} }{  \sqrt[3]{-64}  } = \frac{ \sqrt[3]{a^{6}} * \sqrt[3]{ b^{9}} }{  \sqrt[3]{-64}}
Since (xᵃ)ᵇ = xᵃ*ᵇ, then:
a⁶ = (a²)³
b⁹ = (b³)³
Also: 64 = 4³
\frac{ \sqrt[3]{a^{6}} * \sqrt[3]{ b^{9}} }{ \sqrt[3]{-64}}= \frac{ \sqrt[3]{( a^{2})^{3} }*\sqrt[3]{( b^{3})^{3} } }{\sqrt[3]{( -4)^{3} }} = \frac{ a^{2} * b^{3} }{-4}
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Jordan spent 22% of his time doing math homework. If hw spent 11 minutes on his math homework. How many minutes did he spend on
Angelina_Jolie [31]

Jordan spends 50 minutes on his homework.

Step-by-step explanation:

Given,

Time spent on Maths homework = 11 minutes

This represents the 22% time of his total homework.

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Dividing both sides by 0.22

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Jordan spends 50 minutes on his homework.

Keywords: percentage, division

Learn more about percentages at:

  • brainly.com/question/1542444
  • brainly.com/question/1548911

#LearnwithBrainly

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A random sample is drawn from a population with mean μ = 66 and standard deviation σ = 5.5. use table 1.
creativ13 [48]
<span>A random sample is drawn from a population with mean μ = 66 and standard deviation σ = 5.5. use table 1.
a. is the sampling distribution of the sample mean with n = 16 and n = 36 normally distributed? yes, both the sample means will have a normal distribution. no, both the sample means will not have a normal distribution. no, only the sample mean with n = 16 will have a normal distribution. no, only the sample mean with n = 36 will have a normal distribution.
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