3 years ago

I will give you the brainliest if you answer asap please

Mathematics

1 answer:

IRINA_888 [86]3 years ago

8 0

Answer:

168

Step-by-step explanation:

You just need to triple the answer to get 168.

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goal is short one

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2 years ago

Steve built a square hamster pen that has a perimeter of 240 centimeters What is the length of one side of Steve’s hamster pen?

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Answer:

Step-by-step explanation:

since its a square, and has four sides then you would divide total length by four to find the length of each side

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An education firm measures the high school dropout rate as the percentage of 16 to 24 year olds who are not enrolled in school a

posledela

Answer:

The value of the test statistic $z = -0.6606$

Step-by-step explanation:

From the question we are told that

The high dropout rate is $\mu = 6.1$ % $= 0.061$

The sample size is $n = 1000$

The number of dropouts $x = 56$

The probability of having a dropout in 1000 people $\= x = \frac{56}{1000} = 0.056$

Now setting up Test Hypothesis

Null $H_o : p = 0.061$

Alternative $H_a : p < 0.061$

The Test statistics is mathematically represented as

$z = \frac{\= x - p}{\sqrt{\frac{p(1 -p)}{n} } }$

substituting values

$z = \frac{0.056 - 0.061}{\sqrt{\frac{0.061(1 -0.061)}{1000} } }$

$z = -0.6606$

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2 years ago

Which of the following rational numbers is equal to 3 point 1 with bar over 1?

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Answer:

28/9

Step-by-step explanation:

22/9 = 2.444444...

24/9 = 2.66666...

26/9 = 2.88888...

28/9 = 3.1111111...

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A medical device company knows that the percentage of patients experiencing injection-site reactions with the current needle is

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Answer:

0.4970

Step-by-step explanation:

I might be wrong

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