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Mekhanik [1.2K]
3 years ago
11

Solve the proportion x+2/5=6/15

Mathematics
1 answer:
Feliz [49]3 years ago
3 0

Solving the proportion: \frac{x+2}{5}=\frac{6}{15} we get x=0

Step-by-step explanation:

We need to solve the proportion: \frac{x+2}{5}=\frac{6}{15} and find value of x.

Solving:

\frac{x+2}{5}=\frac{6}{15}

Cross multiply:

15(x+2)=5*6\\15x+30=30\\15x=30-30\\15x=0\\x=0

So, solving the proportion: \frac{x+2}{5}=\frac{6}{15} we get x=0

Keywords: solving the proportion

Learn more about solving the proportion at:

  • brainly.com/question/10708697
  • brainly.com/question/10552347

#learnwithBrainly

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Answer:

a

  The null hypothesis is  H_o  :  p =  0.67

   The alternative hypothesis is  H_a : p \ne 0.67

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Step-by-step explanation:

From the question we are told that

     The sample size is  n =  546  

      The number of people that use a laptop overnight is  k = 355

    The population proportion is  p =  \frac{2}{3}  =  0.67

   Generally

  The null hypothesis is  H_o  :  p =  0.67

   The alternative hypothesis is  H_a : p \ne 0.67

Gnerally the sample proportion is mathematically represented as

        \^ p  =  \frac{ k}{n}

=>     \^ p  =  \frac{ 355}{546}

=>     \^ p  =  0.65

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